Home / 85,974.06-118,655.14-48,248.31

Finding the Fourth Proportional to 85,974.06, 118,655.14 and 48,248.31

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Solution

The fourth proportional to 85,974.06, 118,655.14 and 48,248.31 is: 66,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,974.06 : 118,655.14 = 48,248.31 : x
  2. Step 2: Convert to fraction form
    85,974.06/118,655.14 = 48,248.31/x
  3. Step 3: Cross multiply
    85,974.06x = 118,655.14 × 48,248.31
  4. Step 4: Simplify right side
    85,974.06x = 5,724,909,977.81
  5. Step 5: Solve for x
    x = 5,724,909,977.81/85,974.06
  6. Step 6: Final answer
    x = 66,588.81

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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.