Home / 90,368.52-124,702.38-50,079.42

Finding the Fourth Proportional to 90,368.52, 124,702.38 and 50,079.42

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Solution

The fourth proportional to 90,368.52, 124,702.38 and 50,079.42 is: 69,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,368.52 : 124,702.38 = 50,079.42 : x
  2. Step 2: Convert to fraction form
    90,368.52/124,702.38 = 50,079.42/x
  3. Step 3: Cross multiply
    90,368.52x = 124,702.38 × 50,079.42
  4. Step 4: Simplify right side
    90,368.52x = 6,245,022,863.02
  5. Step 5: Solve for x
    x = 6,245,022,863.02/90,368.52
  6. Step 6: Final answer
    x = 69,106.18

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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.