Home / 61,116.36-84,226.44-47,666.40

Finding the Fourth Proportional to 61,116.36, 84,226.44 and 47,666.40

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Solution

The fourth proportional to 61,116.36, 84,226.44 and 47,666.40 is: 65,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,116.36 : 84,226.44 = 47,666.40 : x
  2. Step 2: Convert to fraction form
    61,116.36/84,226.44 = 47,666.40/x
  3. Step 3: Cross multiply
    61,116.36x = 84,226.44 × 47,666.40
  4. Step 4: Simplify right side
    61,116.36x = 4,014,771,179.62
  5. Step 5: Solve for x
    x = 4,014,771,179.62/61,116.36
  6. Step 6: Final answer
    x = 65,690.61

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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.