Home / 99,396.26-137,118.56-59,081.46

Finding the Fourth Proportional to 99,396.26, 137,118.56 and 59,081.46

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Solution

The fourth proportional to 99,396.26, 137,118.56 and 59,081.46 is: 81,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,396.26 : 137,118.56 = 59,081.46 : x
  2. Step 2: Convert to fraction form
    99,396.26/137,118.56 = 59,081.46/x
  3. Step 3: Cross multiply
    99,396.26x = 137,118.56 × 59,081.46
  4. Step 4: Simplify right side
    99,396.26x = 8,101,164,717.90
  5. Step 5: Solve for x
    x = 8,101,164,717.90/99,396.26
  6. Step 6: Final answer
    x = 81,503.72

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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.