Home / 85,006.07-127,425.93-31,658.91

Finding the Fourth Proportional to 85,006.07, 127,425.93 and 31,658.91

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Solution

The fourth proportional to 85,006.07, 127,425.93 and 31,658.91 is: 47,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,006.07 : 127,425.93 = 31,658.91 : x
  2. Step 2: Convert to fraction form
    85,006.07/127,425.93 = 31,658.91/x
  3. Step 3: Cross multiply
    85,006.07x = 127,425.93 × 31,658.91
  4. Step 4: Simplify right side
    85,006.07x = 4,034,166,049.54
  5. Step 5: Solve for x
    x = 4,034,166,049.54/85,006.07
  6. Step 6: Final answer
    x = 47,457.39

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1.5x scale

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.