Home / 106,812.71-147,402.53-59,066.86

Finding the Fourth Proportional to 106,812.71, 147,402.53 and 59,066.86

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Solution

The fourth proportional to 106,812.71, 147,402.53 and 59,066.86 is: 81,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,812.71 : 147,402.53 = 59,066.86 : x
  2. Step 2: Convert to fraction form
    106,812.71/147,402.53 = 59,066.86/x
  3. Step 3: Cross multiply
    106,812.71x = 147,402.53 × 59,066.86
  4. Step 4: Simplify right side
    106,812.71x = 8,706,604,562.16
  5. Step 5: Solve for x
    x = 8,706,604,562.16/106,812.71
  6. Step 6: Final answer
    x = 81,512.81

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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.