Home / 124,632.52-171,966.60-79,294

Finding the Fourth Proportional to 124,632.52, 171,966.60 and 79,294

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Solution

The fourth proportional to 124,632.52, 171,966.60 and 79,294 is: 109,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,632.52 : 171,966.60 = 79,294 : x
  2. Step 2: Convert to fraction form
    124,632.52/171,966.60 = 79,294/x
  3. Step 3: Cross multiply
    124,632.52x = 171,966.60 × 79,294
  4. Step 4: Simplify right side
    124,632.52x = 13,635,919,580.40
  5. Step 5: Solve for x
    x = 13,635,919,580.40/124,632.52
  6. Step 6: Final answer
    x = 109,409.00

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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.