Home / 99,267.02-136,989.82-53,945.90

Finding the Fourth Proportional to 99,267.02, 136,989.82 and 53,945.90

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Solution

The fourth proportional to 99,267.02, 136,989.82 and 53,945.90 is: 74,446.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,267.02 : 136,989.82 = 53,945.90 : x
  2. Step 2: Convert to fraction form
    99,267.02/136,989.82 = 53,945.90/x
  3. Step 3: Cross multiply
    99,267.02x = 136,989.82 × 53,945.90
  4. Step 4: Simplify right side
    99,267.02x = 7,390,038,176.06
  5. Step 5: Solve for x
    x = 7,390,038,176.06/99,267.02
  6. Step 6: Final answer
    x = 74,446.06

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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.