Home / 106,778.55-147,347.17-59,025.40

Finding the Fourth Proportional to 106,778.55, 147,347.17 and 59,025.40

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Solution

The fourth proportional to 106,778.55, 147,347.17 and 59,025.40 is: 81,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,778.55 : 147,347.17 = 59,025.40 : x
  2. Step 2: Convert to fraction form
    106,778.55/147,347.17 = 59,025.40/x
  3. Step 3: Cross multiply
    106,778.55x = 147,347.17 × 59,025.40
  4. Step 4: Simplify right side
    106,778.55x = 8,697,225,648.12
  5. Step 5: Solve for x
    x = 8,697,225,648.12/106,778.55
  6. Step 6: Final answer
    x = 81,451.06

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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.