Home / 124,360.99-171,569.45-76,531.30

Finding the Fourth Proportional to 124,360.99, 171,569.45 and 76,531.30

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Solution

The fourth proportional to 124,360.99, 171,569.45 and 76,531.30 is: 105,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,360.99 : 171,569.45 = 76,531.30 : x
  2. Step 2: Convert to fraction form
    124,360.99/171,569.45 = 76,531.30/x
  3. Step 3: Cross multiply
    124,360.99x = 171,569.45 × 76,531.30
  4. Step 4: Simplify right side
    124,360.99x = 13,130,433,454.58
  5. Step 5: Solve for x
    x = 13,130,433,454.58/124,360.99
  6. Step 6: Final answer
    x = 105,583.22

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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.