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Finding the Fourth Proportional to 85,368.22, 117,808.58 and 47,127.08

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Solution

The fourth proportional to 85,368.22, 117,808.58 and 47,127.08 is: 65,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,368.22 : 117,808.58 = 47,127.08 : x
  2. Step 2: Convert to fraction form
    85,368.22/117,808.58 = 47,127.08/x
  3. Step 3: Cross multiply
    85,368.22x = 117,808.58 × 47,127.08
  4. Step 4: Simplify right side
    85,368.22x = 5,551,974,374.35
  5. Step 5: Solve for x
    x = 5,551,974,374.35/85,368.22
  6. Step 6: Final answer
    x = 65,035.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.