Home / 62,122.48-85,710.36-56,134.96

Finding the Fourth Proportional to 62,122.48, 85,710.36 and 56,134.96

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Solution

The fourth proportional to 62,122.48, 85,710.36 and 56,134.96 is: 77,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,122.48 : 85,710.36 = 56,134.96 : x
  2. Step 2: Convert to fraction form
    62,122.48/85,710.36 = 56,134.96/x
  3. Step 3: Cross multiply
    62,122.48x = 85,710.36 × 56,134.96
  4. Step 4: Simplify right side
    62,122.48x = 4,811,347,630.19
  5. Step 5: Solve for x
    x = 4,811,347,630.19/62,122.48
  6. Step 6: Final answer
    x = 77,449.38

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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.