Home / 62,780.10-86,637.18-34,100.32

Finding the Fourth Proportional to 62,780.10, 86,637.18 and 34,100.32

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Solution

The fourth proportional to 62,780.10, 86,637.18 and 34,100.32 is: 47,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,780.10 : 86,637.18 = 34,100.32 : x
  2. Step 2: Convert to fraction form
    62,780.10/86,637.18 = 34,100.32/x
  3. Step 3: Cross multiply
    62,780.10x = 86,637.18 × 34,100.32
  4. Step 4: Simplify right side
    62,780.10x = 2,954,355,561.90
  5. Step 5: Solve for x
    x = 2,954,355,561.90/62,780.10
  6. Step 6: Final answer
    x = 47,058.79

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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.