Home / 99,638.51-149,490.03-59,651.24

Finding the Fourth Proportional to 99,638.51, 149,490.03 and 59,651.24

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Solution

The fourth proportional to 99,638.51, 149,490.03 and 59,651.24 is: 89,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,638.51 : 149,490.03 = 59,651.24 : x
  2. Step 2: Convert to fraction form
    99,638.51/149,490.03 = 59,651.24/x
  3. Step 3: Cross multiply
    99,638.51x = 149,490.03 × 59,651.24
  4. Step 4: Simplify right side
    99,638.51x = 8,917,264,909.69
  5. Step 5: Solve for x
    x = 8,917,264,909.69/99,638.51
  6. Step 6: Final answer
    x = 89,496.17

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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.