Home / 90,878.10-136,315.20-24,318.23

Finding the Fourth Proportional to 90,878.10, 136,315.20 and 24,318.23

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Solution

The fourth proportional to 90,878.10, 136,315.20 and 24,318.23 is: 36,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,878.10 : 136,315.20 = 24,318.23 : x
  2. Step 2: Convert to fraction form
    90,878.10/136,315.20 = 24,318.23/x
  3. Step 3: Cross multiply
    90,878.10x = 136,315.20 × 24,318.23
  4. Step 4: Simplify right side
    90,878.10x = 3,314,943,795.71
  5. Step 5: Solve for x
    x = 3,314,943,795.71/90,878.10
  6. Step 6: Final answer
    x = 36,476.82

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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.