Home / 99,528.75-149,293.13-25,656.75

Finding the Fourth Proportional to 99,528.75, 149,293.13 and 25,656.75

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Solution

The fourth proportional to 99,528.75, 149,293.13 and 25,656.75 is: 38,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,528.75 : 149,293.13 = 25,656.75 : x
  2. Step 2: Convert to fraction form
    99,528.75/149,293.13 = 25,656.75/x
  3. Step 3: Cross multiply
    99,528.75x = 149,293.13 × 25,656.75
  4. Step 4: Simplify right side
    99,528.75x = 3,830,376,384.84
  5. Step 5: Solve for x
    x = 3,830,376,384.84/99,528.75
  6. Step 6: Final answer
    x = 38,485.13

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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.