Home / 112,372.53-168,565.27-42,252.45

Finding the Fourth Proportional to 112,372.53, 168,565.27 and 42,252.45

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Solution

The fourth proportional to 112,372.53, 168,565.27 and 42,252.45 is: 63,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,372.53 : 168,565.27 = 42,252.45 : x
  2. Step 2: Convert to fraction form
    112,372.53/168,565.27 = 42,252.45/x
  3. Step 3: Cross multiply
    112,372.53x = 168,565.27 × 42,252.45
  4. Step 4: Simplify right side
    112,372.53x = 7,122,294,799.59
  5. Step 5: Solve for x
    x = 7,122,294,799.59/112,372.53
  6. Step 6: Final answer
    x = 63,381.10

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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.