Home / 90,231.69-124,475.90-59,616.80

Finding the Fourth Proportional to 90,231.69, 124,475.90 and 59,616.80

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Solution

The fourth proportional to 90,231.69, 124,475.90 and 59,616.80 is: 82,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,231.69 : 124,475.90 = 59,616.80 : x
  2. Step 2: Convert to fraction form
    90,231.69/124,475.90 = 59,616.80/x
  3. Step 3: Cross multiply
    90,231.69x = 124,475.90 × 59,616.80
  4. Step 4: Simplify right side
    90,231.69x = 7,420,854,835.12
  5. Step 5: Solve for x
    x = 7,420,854,835.12/90,231.69
  6. Step 6: Final answer
    x = 82,242.22

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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.