Home / 90,461.40-124,844.39-50,188.13

Finding the Fourth Proportional to 90,461.40, 124,844.39 and 50,188.13

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Solution

The fourth proportional to 90,461.40, 124,844.39 and 50,188.13 is: 69,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,461.40 : 124,844.39 = 50,188.13 : x
  2. Step 2: Convert to fraction form
    90,461.40/124,844.39 = 50,188.13/x
  3. Step 3: Cross multiply
    90,461.40x = 124,844.39 × 50,188.13
  4. Step 4: Simplify right side
    90,461.40x = 6,265,705,599.93
  5. Step 5: Solve for x
    x = 6,265,705,599.93/90,461.40
  6. Step 6: Final answer
    x = 69,263.86

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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.