Home / 108,139.13-149,231.51-59,741.07

Finding the Fourth Proportional to 108,139.13, 149,231.51 and 59,741.07

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Solution

The fourth proportional to 108,139.13, 149,231.51 and 59,741.07 is: 82,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,139.13 : 149,231.51 = 59,741.07 : x
  2. Step 2: Convert to fraction form
    108,139.13/149,231.51 = 59,741.07/x
  3. Step 3: Cross multiply
    108,139.13x = 149,231.51 × 59,741.07
  4. Step 4: Simplify right side
    108,139.13x = 8,915,250,085.12
  5. Step 5: Solve for x
    x = 8,915,250,085.12/108,139.13
  6. Step 6: Final answer
    x = 82,442.41

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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.