Home / 78,191.13-107,901.14-46,341.12

Finding the Fourth Proportional to 78,191.13, 107,901.14 and 46,341.12

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Solution

The fourth proportional to 78,191.13, 107,901.14 and 46,341.12 is: 63,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,191.13 : 107,901.14 = 46,341.12 : x
  2. Step 2: Convert to fraction form
    78,191.13/107,901.14 = 46,341.12/x
  3. Step 3: Cross multiply
    78,191.13x = 107,901.14 × 46,341.12
  4. Step 4: Simplify right side
    78,191.13x = 5,000,259,445.17
  5. Step 5: Solve for x
    x = 5,000,259,445.17/78,191.13
  6. Step 6: Final answer
    x = 63,949.19

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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.