Home / 87,819.34-121,191.02-47,533.08

Finding the Fourth Proportional to 87,819.34, 121,191.02 and 47,533.08

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Solution

The fourth proportional to 87,819.34, 121,191.02 and 47,533.08 is: 65,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,819.34 : 121,191.02 = 47,533.08 : x
  2. Step 2: Convert to fraction form
    87,819.34/121,191.02 = 47,533.08/x
  3. Step 3: Cross multiply
    87,819.34x = 121,191.02 × 47,533.08
  4. Step 4: Simplify right side
    87,819.34x = 5,760,582,162.29
  5. Step 5: Solve for x
    x = 5,760,582,162.29/87,819.34
  6. Step 6: Final answer
    x = 65,595.83

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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.