Home / 69,829.29-96,338.57-42,615.72

Finding the Fourth Proportional to 69,829.29, 96,338.57 and 42,615.72

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Solution

The fourth proportional to 69,829.29, 96,338.57 and 42,615.72 is: 58,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,829.29 : 96,338.57 = 42,615.72 : x
  2. Step 2: Convert to fraction form
    69,829.29/96,338.57 = 42,615.72/x
  3. Step 3: Cross multiply
    69,829.29x = 96,338.57 × 42,615.72
  4. Step 4: Simplify right side
    69,829.29x = 4,105,537,311.24
  5. Step 5: Solve for x
    x = 4,105,537,311.24/69,829.29
  6. Step 6: Final answer
    x = 58,793.91

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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.