Home / 99,184.08-136,875-54,472.08

Finding the Fourth Proportional to 99,184.08, 136,875 and 54,472.08

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Solution

The fourth proportional to 99,184.08, 136,875 and 54,472.08 is: 75,172.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,184.08 : 136,875 = 54,472.08 : x
  2. Step 2: Convert to fraction form
    99,184.08/136,875 = 54,472.08/x
  3. Step 3: Cross multiply
    99,184.08x = 136,875 × 54,472.08
  4. Step 4: Simplify right side
    99,184.08x = 7,455,865,950
  5. Step 5: Solve for x
    x = 7,455,865,950/99,184.08
  6. Step 6: Final answer
    x = 75,172.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.