Home / 87,996.48-121,434.76-47,710.12

Finding the Fourth Proportional to 87,996.48, 121,434.76 and 47,710.12

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Solution

The fourth proportional to 87,996.48, 121,434.76 and 47,710.12 is: 65,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,996.48 : 121,434.76 = 47,710.12 : x
  2. Step 2: Convert to fraction form
    87,996.48/121,434.76 = 47,710.12/x
  3. Step 3: Cross multiply
    87,996.48x = 121,434.76 × 47,710.12
  4. Step 4: Simplify right side
    87,996.48x = 5,793,666,971.77
  5. Step 5: Solve for x
    x = 5,793,666,971.77/87,996.48
  6. Step 6: Final answer
    x = 65,839.76

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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.