Home / 90,870.74-136,295.67-24,316.10

Finding the Fourth Proportional to 90,870.74, 136,295.67 and 24,316.10

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Solution

The fourth proportional to 90,870.74, 136,295.67 and 24,316.10 is: 36,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870.74 : 136,295.67 = 24,316.10 : x
  2. Step 2: Convert to fraction form
    90,870.74/136,295.67 = 24,316.10/x
  3. Step 3: Cross multiply
    90,870.74x = 136,295.67 × 24,316.10
  4. Step 4: Simplify right side
    90,870.74x = 3,314,179,141.29
  5. Step 5: Solve for x
    x = 3,314,179,141.29/90,870.74
  6. Step 6: Final answer
    x = 36,471.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.