Home / 99,444.16-149,029.89-52,603.48

Finding the Fourth Proportional to 99,444.16, 149,029.89 and 52,603.48

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Solution

The fourth proportional to 99,444.16, 149,029.89 and 52,603.48 is: 78,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,444.16 : 149,029.89 = 52,603.48 : x
  2. Step 2: Convert to fraction form
    99,444.16/149,029.89 = 52,603.48/x
  3. Step 3: Cross multiply
    99,444.16x = 149,029.89 × 52,603.48
  4. Step 4: Simplify right side
    99,444.16x = 7,839,490,838.02
  5. Step 5: Solve for x
    x = 7,839,490,838.02/99,444.16
  6. Step 6: Final answer
    x = 78,833.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.