Home / 99,264.16-136,985.10-53,942.52

Finding the Fourth Proportional to 99,264.16, 136,985.10 and 53,942.52

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Solution

The fourth proportional to 99,264.16, 136,985.10 and 53,942.52 is: 74,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,264.16 : 136,985.10 = 53,942.52 : x
  2. Step 2: Convert to fraction form
    99,264.16/136,985.10 = 53,942.52/x
  3. Step 3: Cross multiply
    99,264.16x = 136,985.10 × 53,942.52
  4. Step 4: Simplify right side
    99,264.16x = 7,389,321,496.45
  5. Step 5: Solve for x
    x = 7,389,321,496.45/99,264.16
  6. Step 6: Final answer
    x = 74,440.98

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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.