Home / 107,151.85-147,869.31-59,403.97

Finding the Fourth Proportional to 107,151.85, 147,869.31 and 59,403.97

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Solution

The fourth proportional to 107,151.85, 147,869.31 and 59,403.97 is: 81,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,151.85 : 147,869.31 = 59,403.97 : x
  2. Step 2: Convert to fraction form
    107,151.85/147,869.31 = 59,403.97/x
  3. Step 3: Cross multiply
    107,151.85x = 147,869.31 × 59,403.97
  4. Step 4: Simplify right side
    107,151.85x = 8,784,024,055.16
  5. Step 5: Solve for x
    x = 8,784,024,055.16/107,151.85
  6. Step 6: Final answer
    x = 81,977.34

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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.