Home / 56,780.48-85,246.08-48,513.62

Finding the Fourth Proportional to 56,780.48, 85,246.08 and 48,513.62

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Solution

The fourth proportional to 56,780.48, 85,246.08 and 48,513.62 is: 72,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,780.48 : 85,246.08 = 48,513.62 : x
  2. Step 2: Convert to fraction form
    56,780.48/85,246.08 = 48,513.62/x
  3. Step 3: Cross multiply
    56,780.48x = 85,246.08 × 48,513.62
  4. Step 4: Simplify right side
    56,780.48x = 4,135,595,931.61
  5. Step 5: Solve for x
    x = 4,135,595,931.61/56,780.48
  6. Step 6: Final answer
    x = 72,834.82

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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.