Home / 61,834.08-85,364.12-48,376.76

Finding the Fourth Proportional to 61,834.08, 85,364.12 and 48,376.76

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Solution

The fourth proportional to 61,834.08, 85,364.12 and 48,376.76 is: 66,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,834.08 : 85,364.12 = 48,376.76 : x
  2. Step 2: Convert to fraction form
    61,834.08/85,364.12 = 48,376.76/x
  3. Step 3: Cross multiply
    61,834.08x = 85,364.12 × 48,376.76
  4. Step 4: Simplify right side
    61,834.08x = 4,129,639,545.85
  5. Step 5: Solve for x
    x = 4,129,639,545.85/61,834.08
  6. Step 6: Final answer
    x = 66,785.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.