Home / 90,348.77-124,681.52-50,062.20

Finding the Fourth Proportional to 90,348.77, 124,681.52 and 50,062.20

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Solution

The fourth proportional to 90,348.77, 124,681.52 and 50,062.20 is: 69,085.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,348.77 : 124,681.52 = 50,062.20 : x
  2. Step 2: Convert to fraction form
    90,348.77/124,681.52 = 50,062.20/x
  3. Step 3: Cross multiply
    90,348.77x = 124,681.52 × 50,062.20
  4. Step 4: Simplify right side
    90,348.77x = 6,241,831,315.70
  5. Step 5: Solve for x
    x = 6,241,831,315.70/90,348.77
  6. Step 6: Final answer
    x = 69,085.96

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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.