Home / 56,885.20-85,337.88-19,436.52

Finding the Fourth Proportional to 56,885.20, 85,337.88 and 19,436.52

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Solution

The fourth proportional to 56,885.20, 85,337.88 and 19,436.52 is: 29,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,885.20 : 85,337.88 = 19,436.52 : x
  2. Step 2: Convert to fraction form
    56,885.20/85,337.88 = 19,436.52/x
  3. Step 3: Cross multiply
    56,885.20x = 85,337.88 × 19,436.52
  4. Step 4: Simplify right side
    56,885.20x = 1,658,671,411.38
  5. Step 5: Solve for x
    x = 1,658,671,411.38/56,885.20
  6. Step 6: Final answer
    x = 29,158.22

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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.