Home / 90,461.40-124,851.68-50,188.14

Finding the Fourth Proportional to 90,461.40, 124,851.68 and 50,188.14

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Solution

The fourth proportional to 90,461.40, 124,851.68 and 50,188.14 is: 69,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,461.40 : 124,851.68 = 50,188.14 : x
  2. Step 2: Convert to fraction form
    90,461.40/124,851.68 = 50,188.14/x
  3. Step 3: Cross multiply
    90,461.40x = 124,851.68 × 50,188.14
  4. Step 4: Simplify right side
    90,461.40x = 6,266,073,595.08
  5. Step 5: Solve for x
    x = 6,266,073,595.08/90,461.40
  6. Step 6: Final answer
    x = 69,267.93

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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.