Home / 75,931.83-104,781.33-45,726.93

Finding the Fourth Proportional to 75,931.83, 104,781.33 and 45,726.93

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Solution

The fourth proportional to 75,931.83, 104,781.33 and 45,726.93 is: 63,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,931.83 : 104,781.33 = 45,726.93 : x
  2. Step 2: Convert to fraction form
    75,931.83/104,781.33 = 45,726.93/x
  3. Step 3: Cross multiply
    75,931.83x = 104,781.33 × 45,726.93
  4. Step 4: Simplify right side
    75,931.83x = 4,791,328,542.22
  5. Step 5: Solve for x
    x = 4,791,328,542.22/75,931.83
  6. Step 6: Final answer
    x = 63,100.40

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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.