Home / 72,988.24-100,726.77-46,120.95

Finding the Fourth Proportional to 72,988.24, 100,726.77 and 46,120.95

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Solution

The fourth proportional to 72,988.24, 100,726.77 and 46,120.95 is: 63,648.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,988.24 : 100,726.77 = 46,120.95 : x
  2. Step 2: Convert to fraction form
    72,988.24/100,726.77 = 46,120.95/x
  3. Step 3: Cross multiply
    72,988.24x = 100,726.77 × 46,120.95
  4. Step 4: Simplify right side
    72,988.24x = 4,645,614,322.83
  5. Step 5: Solve for x
    x = 4,645,614,322.83/72,988.24
  6. Step 6: Final answer
    x = 63,648.81

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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.