Home / 99,501.35-137,358.86-63,712.17

Finding the Fourth Proportional to 99,501.35, 137,358.86 and 63,712.17

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Solution

The fourth proportional to 99,501.35, 137,358.86 and 63,712.17 is: 87,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,501.35 : 137,358.86 = 63,712.17 : x
  2. Step 2: Convert to fraction form
    99,501.35/137,358.86 = 63,712.17/x
  3. Step 3: Cross multiply
    99,501.35x = 137,358.86 × 63,712.17
  4. Step 4: Simplify right side
    99,501.35x = 8,751,430,720.77
  5. Step 5: Solve for x
    x = 8,751,430,720.77/99,501.35
  6. Step 6: Final answer
    x = 87,952.89

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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.