Home / 99,047.22-148,569.35-39,881.39

Finding the Fourth Proportional to 99,047.22, 148,569.35 and 39,881.39

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Solution

The fourth proportional to 99,047.22, 148,569.35 and 39,881.39 is: 59,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,047.22 : 148,569.35 = 39,881.39 : x
  2. Step 2: Convert to fraction form
    99,047.22/148,569.35 = 39,881.39/x
  3. Step 3: Cross multiply
    99,047.22x = 148,569.35 × 39,881.39
  4. Step 4: Simplify right side
    99,047.22x = 5,925,151,247.14
  5. Step 5: Solve for x
    x = 5,925,151,247.14/99,047.22
  6. Step 6: Final answer
    x = 59,821.48

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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.