Home / 103,509.86-155,264.61-32,437.95

Finding the Fourth Proportional to 103,509.86, 155,264.61 and 32,437.95

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Solution

The fourth proportional to 103,509.86, 155,264.61 and 32,437.95 is: 48,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,509.86 : 155,264.61 = 32,437.95 : x
  2. Step 2: Convert to fraction form
    103,509.86/155,264.61 = 32,437.95/x
  3. Step 3: Cross multiply
    103,509.86x = 155,264.61 × 32,437.95
  4. Step 4: Simplify right side
    103,509.86x = 5,036,465,655.95
  5. Step 5: Solve for x
    x = 5,036,465,655.95/103,509.86
  6. Step 6: Final answer
    x = 48,656.87

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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.