Home / 108,613.01-149,877.78-60,857.13

Finding the Fourth Proportional to 108,613.01, 149,877.78 and 60,857.13

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Solution

The fourth proportional to 108,613.01, 149,877.78 and 60,857.13 is: 83,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,613.01 : 149,877.78 = 60,857.13 : x
  2. Step 2: Convert to fraction form
    108,613.01/149,877.78 = 60,857.13/x
  3. Step 3: Cross multiply
    108,613.01x = 149,877.78 × 60,857.13
  4. Step 4: Simplify right side
    108,613.01x = 9,121,131,875.40
  5. Step 5: Solve for x
    x = 9,121,131,875.40/108,613.01
  6. Step 6: Final answer
    x = 83,978.26

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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.