Home / 121,772.57-182,498.47-51,565.01

Finding the Fourth Proportional to 121,772.57, 182,498.47 and 51,565.01

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Solution

The fourth proportional to 121,772.57, 182,498.47 and 51,565.01 is: 77,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,772.57 : 182,498.47 = 51,565.01 : x
  2. Step 2: Convert to fraction form
    121,772.57/182,498.47 = 51,565.01/x
  3. Step 3: Cross multiply
    121,772.57x = 182,498.47 × 51,565.01
  4. Step 4: Simplify right side
    121,772.57x = 9,410,534,260.22
  5. Step 5: Solve for x
    x = 9,410,534,260.22/121,772.57
  6. Step 6: Final answer
    x = 77,279.59

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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.