Home / 90,331.04-124,657.70-50,045.66

Finding the Fourth Proportional to 90,331.04, 124,657.70 and 50,045.66

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Solution

The fourth proportional to 90,331.04, 124,657.70 and 50,045.66 is: 69,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,331.04 : 124,657.70 = 50,045.66 : x
  2. Step 2: Convert to fraction form
    90,331.04/124,657.70 = 50,045.66/x
  3. Step 3: Cross multiply
    90,331.04x = 124,657.70 × 50,045.66
  4. Step 4: Simplify right side
    90,331.04x = 6,238,576,870.58
  5. Step 5: Solve for x
    x = 6,238,576,870.58/90,331.04
  6. Step 6: Final answer
    x = 69,063.49

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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.