Home / 99,515.59-149,334.89-40,351.77

Finding the Fourth Proportional to 99,515.59, 149,334.89 and 40,351.77

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Solution

The fourth proportional to 99,515.59, 149,334.89 and 40,351.77 is: 60,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,515.59 : 149,334.89 = 40,351.77 : x
  2. Step 2: Convert to fraction form
    99,515.59/149,334.89 = 40,351.77/x
  3. Step 3: Cross multiply
    99,515.59x = 149,334.89 × 40,351.77
  4. Step 4: Simplify right side
    99,515.59x = 6,025,927,159.48
  5. Step 5: Solve for x
    x = 6,025,927,159.48/99,515.59
  6. Step 6: Final answer
    x = 60,552.60

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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.