Home / 99,585.03-149,400.89-39,616.91

Finding the Fourth Proportional to 99,585.03, 149,400.89 and 39,616.91

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Solution

The fourth proportional to 99,585.03, 149,400.89 and 39,616.91 is: 59,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,585.03 : 149,400.89 = 39,616.91 : x
  2. Step 2: Convert to fraction form
    99,585.03/149,400.89 = 39,616.91/x
  3. Step 3: Cross multiply
    99,585.03x = 149,400.89 × 39,616.91
  4. Step 4: Simplify right side
    99,585.03x = 5,918,800,866.05
  5. Step 5: Solve for x
    x = 5,918,800,866.05/99,585.03
  6. Step 6: Final answer
    x = 59,434.64

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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.