Home / 90,646.99-125,052.60-60,402.81

Finding the Fourth Proportional to 90,646.99, 125,052.60 and 60,402.81

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Solution

The fourth proportional to 90,646.99, 125,052.60 and 60,402.81 is: 83,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,646.99 : 125,052.60 = 60,402.81 : x
  2. Step 2: Convert to fraction form
    90,646.99/125,052.60 = 60,402.81/x
  3. Step 3: Cross multiply
    90,646.99x = 125,052.60 × 60,402.81
  4. Step 4: Simplify right side
    90,646.99x = 7,553,527,812.54
  5. Step 5: Solve for x
    x = 7,553,527,812.54/90,646.99
  6. Step 6: Final answer
    x = 83,329.05

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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.