Home / 99,587.93-137,421.50-58,751.19

Finding the Fourth Proportional to 99,587.93, 137,421.50 and 58,751.19

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Solution

The fourth proportional to 99,587.93, 137,421.50 and 58,751.19 is: 81,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,587.93 : 137,421.50 = 58,751.19 : x
  2. Step 2: Convert to fraction form
    99,587.93/137,421.50 = 58,751.19/x
  3. Step 3: Cross multiply
    99,587.93x = 137,421.50 × 58,751.19
  4. Step 4: Simplify right side
    99,587.93x = 8,073,676,362.83
  5. Step 5: Solve for x
    x = 8,073,676,362.83/99,587.93
  6. Step 6: Final answer
    x = 81,070.84

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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.