Home / 55,726.61-76,836.88-45,617.81

Finding the Fourth Proportional to 55,726.61, 76,836.88 and 45,617.81

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Solution

The fourth proportional to 55,726.61, 76,836.88 and 45,617.81 is: 62,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,726.61 : 76,836.88 = 45,617.81 : x
  2. Step 2: Convert to fraction form
    55,726.61/76,836.88 = 45,617.81/x
  3. Step 3: Cross multiply
    55,726.61x = 76,836.88 × 45,617.81
  4. Step 4: Simplify right side
    55,726.61x = 3,505,130,192.83
  5. Step 5: Solve for x
    x = 3,505,130,192.83/55,726.61
  6. Step 6: Final answer
    x = 62,898.68

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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.