Home / 99,332.89-137,081.10-54,011.18

Finding the Fourth Proportional to 99,332.89, 137,081.10 and 54,011.18

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Solution

The fourth proportional to 99,332.89, 137,081.10 and 54,011.18 is: 74,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,332.89 : 137,081.10 = 54,011.18 : x
  2. Step 2: Convert to fraction form
    99,332.89/137,081.10 = 54,011.18/x
  3. Step 3: Cross multiply
    99,332.89x = 137,081.10 × 54,011.18
  4. Step 4: Simplify right side
    99,332.89x = 7,403,911,011.24
  5. Step 5: Solve for x
    x = 7,403,911,011.24/99,332.89
  6. Step 6: Final answer
    x = 74,536.35

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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.