Home / 124,451.07-171,742.16-67,862.45

Finding the Fourth Proportional to 124,451.07, 171,742.16 and 67,862.45

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Solution

The fourth proportional to 124,451.07, 171,742.16 and 67,862.45 is: 93,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,451.07 : 171,742.16 = 67,862.45 : x
  2. Step 2: Convert to fraction form
    124,451.07/171,742.16 = 67,862.45/x
  3. Step 3: Cross multiply
    124,451.07x = 171,742.16 × 67,862.45
  4. Step 4: Simplify right side
    124,451.07x = 11,654,842,887.18
  5. Step 5: Solve for x
    x = 11,654,842,887.18/124,451.07
  6. Step 6: Final answer
    x = 93,650.00

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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.