Home / 99,657.14-137,525-54,335.52

Finding the Fourth Proportional to 99,657.14, 137,525 and 54,335.52

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Solution

The fourth proportional to 99,657.14, 137,525 and 54,335.52 is: 74,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657.14 : 137,525 = 54,335.52 : x
  2. Step 2: Convert to fraction form
    99,657.14/137,525 = 54,335.52/x
  3. Step 3: Cross multiply
    99,657.14x = 137,525 × 54,335.52
  4. Step 4: Simplify right side
    99,657.14x = 7,472,492,388
  5. Step 5: Solve for x
    x = 7,472,492,388/99,657.14
  6. Step 6: Final answer
    x = 74,982.01

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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.