Home / 99,482.22-149,129.53-49,515.08

Finding the Fourth Proportional to 99,482.22, 149,129.53 and 49,515.08

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Solution

The fourth proportional to 99,482.22, 149,129.53 and 49,515.08 is: 74,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,482.22 : 149,129.53 = 49,515.08 : x
  2. Step 2: Convert to fraction form
    99,482.22/149,129.53 = 49,515.08/x
  3. Step 3: Cross multiply
    99,482.22x = 149,129.53 × 49,515.08
  4. Step 4: Simplify right side
    99,482.22x = 7,384,160,360.74
  5. Step 5: Solve for x
    x = 7,384,160,360.74/99,482.22
  6. Step 6: Final answer
    x = 74,225.93

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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.