Home / 90,462.80-124,756.97-56,474.45

Finding the Fourth Proportional to 90,462.80, 124,756.97 and 56,474.45

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Solution

The fourth proportional to 90,462.80, 124,756.97 and 56,474.45 is: 77,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.80 : 124,756.97 = 56,474.45 : x
  2. Step 2: Convert to fraction form
    90,462.80/124,756.97 = 56,474.45/x
  3. Step 3: Cross multiply
    90,462.80x = 124,756.97 × 56,474.45
  4. Step 4: Simplify right side
    90,462.80x = 7,045,580,358.26
  5. Step 5: Solve for x
    x = 7,045,580,358.26/90,462.80
  6. Step 6: Final answer
    x = 77,883.73

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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.