Home / 106,899.70-147,519.48-59,155.06

Finding the Fourth Proportional to 106,899.70, 147,519.48 and 59,155.06

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Solution

The fourth proportional to 106,899.70, 147,519.48 and 59,155.06 is: 81,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,899.70 : 147,519.48 = 59,155.06 : x
  2. Step 2: Convert to fraction form
    106,899.70/147,519.48 = 59,155.06/x
  3. Step 3: Cross multiply
    106,899.70x = 147,519.48 × 59,155.06
  4. Step 4: Simplify right side
    106,899.70x = 8,726,523,690.57
  5. Step 5: Solve for x
    x = 8,726,523,690.57/106,899.70
  6. Step 6: Final answer
    x = 81,632.82

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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.