Home / 99,501.96-137,301.12-59,228.76

Finding the Fourth Proportional to 99,501.96, 137,301.12 and 59,228.76

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Solution

The fourth proportional to 99,501.96, 137,301.12 and 59,228.76 is: 81,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,501.96 : 137,301.12 = 59,228.76 : x
  2. Step 2: Convert to fraction form
    99,501.96/137,301.12 = 59,228.76/x
  3. Step 3: Cross multiply
    99,501.96x = 137,301.12 × 59,228.76
  4. Step 4: Simplify right side
    99,501.96x = 8,132,175,084.21
  5. Step 5: Solve for x
    x = 8,132,175,084.21/99,501.96
  6. Step 6: Final answer
    x = 81,728.79

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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.