Home / 124,726.83-186,973.60-45,819.87

Finding the Fourth Proportional to 124,726.83, 186,973.60 and 45,819.87

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Solution

The fourth proportional to 124,726.83, 186,973.60 and 45,819.87 is: 68,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,726.83 : 186,973.60 = 45,819.87 : x
  2. Step 2: Convert to fraction form
    124,726.83/186,973.60 = 45,819.87/x
  3. Step 3: Cross multiply
    124,726.83x = 186,973.60 × 45,819.87
  4. Step 4: Simplify right side
    124,726.83x = 8,567,106,045.43
  5. Step 5: Solve for x
    x = 8,567,106,045.43/124,726.83
  6. Step 6: Final answer
    x = 68,686.95

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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.