Home / 99,695.18-137,544.61-63,904.93

Finding the Fourth Proportional to 99,695.18, 137,544.61 and 63,904.93

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Solution

The fourth proportional to 99,695.18, 137,544.61 and 63,904.93 is: 88,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,695.18 : 137,544.61 = 63,904.93 : x
  2. Step 2: Convert to fraction form
    99,695.18/137,544.61 = 63,904.93/x
  3. Step 3: Cross multiply
    99,695.18x = 137,544.61 × 63,904.93
  4. Step 4: Simplify right side
    99,695.18x = 8,789,778,673.93
  5. Step 5: Solve for x
    x = 8,789,778,673.93/99,695.18
  6. Step 6: Final answer
    x = 88,166.54

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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.