Home / 99,670.85-149,530.88-29,550.16

Finding the Fourth Proportional to 99,670.85, 149,530.88 and 29,550.16

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Solution

The fourth proportional to 99,670.85, 149,530.88 and 29,550.16 is: 44,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,670.85 : 149,530.88 = 29,550.16 : x
  2. Step 2: Convert to fraction form
    99,670.85/149,530.88 = 29,550.16/x
  3. Step 3: Cross multiply
    99,670.85x = 149,530.88 × 29,550.16
  4. Step 4: Simplify right side
    99,670.85x = 4,418,661,428.94
  5. Step 5: Solve for x
    x = 4,418,661,428.94/99,670.85
  6. Step 6: Final answer
    x = 44,332.53

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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.