Home / 106,781.02-147,344.61-59,035.30

Finding the Fourth Proportional to 106,781.02, 147,344.61 and 59,035.30

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Solution

The fourth proportional to 106,781.02, 147,344.61 and 59,035.30 is: 81,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,781.02 : 147,344.61 = 59,035.30 : x
  2. Step 2: Convert to fraction form
    106,781.02/147,344.61 = 59,035.30/x
  3. Step 3: Cross multiply
    106,781.02x = 147,344.61 × 59,035.30
  4. Step 4: Simplify right side
    106,781.02x = 8,698,533,254.73
  5. Step 5: Solve for x
    x = 8,698,533,254.73/106,781.02
  6. Step 6: Final answer
    x = 81,461.42

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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.