Home / 99,244.08-136,955.52-53,921.57

Finding the Fourth Proportional to 99,244.08, 136,955.52 and 53,921.57

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Solution

The fourth proportional to 99,244.08, 136,955.52 and 53,921.57 is: 74,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,244.08 : 136,955.52 = 53,921.57 : x
  2. Step 2: Convert to fraction form
    99,244.08/136,955.52 = 53,921.57/x
  3. Step 3: Cross multiply
    99,244.08x = 136,955.52 × 53,921.57
  4. Step 4: Simplify right side
    99,244.08x = 7,384,855,973.79
  5. Step 5: Solve for x
    x = 7,384,855,973.79/99,244.08
  6. Step 6: Final answer
    x = 74,411.05

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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.