Home / 99,275.04-137,031.48-63,561.24

Finding the Fourth Proportional to 99,275.04, 137,031.48 and 63,561.24

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Solution

The fourth proportional to 99,275.04, 137,031.48 and 63,561.24 is: 87,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,275.04 : 137,031.48 = 63,561.24 : x
  2. Step 2: Convert to fraction form
    99,275.04/137,031.48 = 63,561.24/x
  3. Step 3: Cross multiply
    99,275.04x = 137,031.48 × 63,561.24
  4. Step 4: Simplify right side
    99,275.04x = 8,709,890,787.84
  5. Step 5: Solve for x
    x = 8,709,890,787.84/99,275.04
  6. Step 6: Final answer
    x = 87,734.95

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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.