Home / 99,208.44-136,909.13-53,887.31

Finding the Fourth Proportional to 99,208.44, 136,909.13 and 53,887.31

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Solution

The fourth proportional to 99,208.44, 136,909.13 and 53,887.31 is: 74,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,208.44 : 136,909.13 = 53,887.31 : x
  2. Step 2: Convert to fraction form
    99,208.44/136,909.13 = 53,887.31/x
  3. Step 3: Cross multiply
    99,208.44x = 136,909.13 × 53,887.31
  4. Step 4: Simplify right side
    99,208.44x = 7,377,663,776.16
  5. Step 5: Solve for x
    x = 7,377,663,776.16/99,208.44
  6. Step 6: Final answer
    x = 74,365.28

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1.5x scale

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.