Home / 106,755.61-147,319.23-59,008.72

Finding the Fourth Proportional to 106,755.61, 147,319.23 and 59,008.72

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Solution

The fourth proportional to 106,755.61, 147,319.23 and 59,008.72 is: 81,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,755.61 : 147,319.23 = 59,008.72 : x
  2. Step 2: Convert to fraction form
    106,755.61/147,319.23 = 59,008.72/x
  3. Step 3: Cross multiply
    106,755.61x = 147,319.23 × 59,008.72
  4. Step 4: Simplify right side
    106,755.61x = 8,693,119,193.69
  5. Step 5: Solve for x
    x = 8,693,119,193.69/106,755.61
  6. Step 6: Final answer
    x = 81,430.09

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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.