Home / 103,122.16-154,377.04-56,232.88

Finding the Fourth Proportional to 103,122.16, 154,377.04 and 56,232.88

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Solution

The fourth proportional to 103,122.16, 154,377.04 and 56,232.88 is: 84,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,122.16 : 154,377.04 = 56,232.88 : x
  2. Step 2: Convert to fraction form
    103,122.16/154,377.04 = 56,232.88/x
  3. Step 3: Cross multiply
    103,122.16x = 154,377.04 × 56,232.88
  4. Step 4: Simplify right side
    103,122.16x = 8,681,065,565.08
  5. Step 5: Solve for x
    x = 8,681,065,565.08/103,122.16
  6. Step 6: Final answer
    x = 84,182.35

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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.