Home / 106,755.90-147,320.55-59,008.02

Finding the Fourth Proportional to 106,755.90, 147,320.55 and 59,008.02

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Solution

The fourth proportional to 106,755.90, 147,320.55 and 59,008.02 is: 81,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,755.90 : 147,320.55 = 59,008.02 : x
  2. Step 2: Convert to fraction form
    106,755.90/147,320.55 = 59,008.02/x
  3. Step 3: Cross multiply
    106,755.90x = 147,320.55 × 59,008.02
  4. Step 4: Simplify right side
    106,755.90x = 8,693,093,960.81
  5. Step 5: Solve for x
    x = 8,693,093,960.81/106,755.90
  6. Step 6: Final answer
    x = 81,429.63

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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.