Home / 99,521.10-149,281.65-29,399.40

Finding the Fourth Proportional to 99,521.10, 149,281.65 and 29,399.40

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Solution

The fourth proportional to 99,521.10, 149,281.65 and 29,399.40 is: 44,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,521.10 : 149,281.65 = 29,399.40 : x
  2. Step 2: Convert to fraction form
    99,521.10/149,281.65 = 29,399.40/x
  3. Step 3: Cross multiply
    99,521.10x = 149,281.65 × 29,399.40
  4. Step 4: Simplify right side
    99,521.10x = 4,388,790,941.01
  5. Step 5: Solve for x
    x = 4,388,790,941.01/99,521.10
  6. Step 6: Final answer
    x = 44,099.10

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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.