Home / 90,462.04-124,821.48-54,628.06

Finding the Fourth Proportional to 90,462.04, 124,821.48 and 54,628.06

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Solution

The fourth proportional to 90,462.04, 124,821.48 and 54,628.06 is: 75,376.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.04 : 124,821.48 = 54,628.06 : x
  2. Step 2: Convert to fraction form
    90,462.04/124,821.48 = 54,628.06/x
  3. Step 3: Cross multiply
    90,462.04x = 124,821.48 × 54,628.06
  4. Step 4: Simplify right side
    90,462.04x = 6,818,755,298.73
  5. Step 5: Solve for x
    x = 6,818,755,298.73/90,462.04
  6. Step 6: Final answer
    x = 75,376.98

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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.