Home / 117,754.12-176,637.58-38,875.40

Finding the Fourth Proportional to 117,754.12, 176,637.58 and 38,875.40

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Solution

The fourth proportional to 117,754.12, 176,637.58 and 38,875.40 is: 58,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,754.12 : 176,637.58 = 38,875.40 : x
  2. Step 2: Convert to fraction form
    117,754.12/176,637.58 = 38,875.40/x
  3. Step 3: Cross multiply
    117,754.12x = 176,637.58 × 38,875.40
  4. Step 4: Simplify right side
    117,754.12x = 6,866,856,577.53
  5. Step 5: Solve for x
    x = 6,866,856,577.53/117,754.12
  6. Step 6: Final answer
    x = 58,315.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.