Home / 99,058.50-148,420.04-70,835.27

Finding the Fourth Proportional to 99,058.50, 148,420.04 and 70,835.27

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Solution

The fourth proportional to 99,058.50, 148,420.04 and 70,835.27 is: 106,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,058.50 : 148,420.04 = 70,835.27 : x
  2. Step 2: Convert to fraction form
    99,058.50/148,420.04 = 70,835.27/x
  3. Step 3: Cross multiply
    99,058.50x = 148,420.04 × 70,835.27
  4. Step 4: Simplify right side
    99,058.50x = 10,513,372,510.53
  5. Step 5: Solve for x
    x = 10,513,372,510.53/99,058.50
  6. Step 6: Final answer
    x = 106,132.97

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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.