Home / 85,753.90-118,340.13-49,455.19

Finding the Fourth Proportional to 85,753.90, 118,340.13 and 49,455.19

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Solution

The fourth proportional to 85,753.90, 118,340.13 and 49,455.19 is: 68,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,753.90 : 118,340.13 = 49,455.19 : x
  2. Step 2: Convert to fraction form
    85,753.90/118,340.13 = 49,455.19/x
  3. Step 3: Cross multiply
    85,753.90x = 118,340.13 × 49,455.19
  4. Step 4: Simplify right side
    85,753.90x = 5,852,533,613.77
  5. Step 5: Solve for x
    x = 5,852,533,613.77/85,753.90
  6. Step 6: Final answer
    x = 68,248.02

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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.