Home / 92,043.12-127,062.30-69,391.32

Finding the Fourth Proportional to 92,043.12, 127,062.30 and 69,391.32

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Solution

The fourth proportional to 92,043.12, 127,062.30 and 69,391.32 is: 95,792.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,043.12 : 127,062.30 = 69,391.32 : x
  2. Step 2: Convert to fraction form
    92,043.12/127,062.30 = 69,391.32/x
  3. Step 3: Cross multiply
    92,043.12x = 127,062.30 × 69,391.32
  4. Step 4: Simplify right side
    92,043.12x = 8,817,020,719.24
  5. Step 5: Solve for x
    x = 8,817,020,719.24/92,043.12
  6. Step 6: Final answer
    x = 95,792.28

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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.