Home / 92,443.47-127,456.30-77,152.08

Finding the Fourth Proportional to 92,443.47, 127,456.30 and 77,152.08

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Solution

The fourth proportional to 92,443.47, 127,456.30 and 77,152.08 is: 106,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,443.47 : 127,456.30 = 77,152.08 : x
  2. Step 2: Convert to fraction form
    92,443.47/127,456.30 = 77,152.08/x
  3. Step 3: Cross multiply
    92,443.47x = 127,456.30 × 77,152.08
  4. Step 4: Simplify right side
    92,443.47x = 9,833,518,654.10
  5. Step 5: Solve for x
    x = 9,833,518,654.10/92,443.47
  6. Step 6: Final answer
    x = 106,373.32

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1.5x scale

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.