Home / 76,302.03-105,294.92-42,310.65

Finding the Fourth Proportional to 76,302.03, 105,294.92 and 42,310.65

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Solution

The fourth proportional to 76,302.03, 105,294.92 and 42,310.65 is: 58,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,302.03 : 105,294.92 = 42,310.65 : x
  2. Step 2: Convert to fraction form
    76,302.03/105,294.92 = 42,310.65/x
  3. Step 3: Cross multiply
    76,302.03x = 105,294.92 × 42,310.65
  4. Step 4: Simplify right side
    76,302.03x = 4,455,096,295.34
  5. Step 5: Solve for x
    x = 4,455,096,295.34/76,302.03
  6. Step 6: Final answer
    x = 58,387.65

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1.5x scale

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.