Home / 62,872.12-86,762.10-34,577.20

Finding the Fourth Proportional to 62,872.12, 86,762.10 and 34,577.20

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Solution

The fourth proportional to 62,872.12, 86,762.10 and 34,577.20 is: 47,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,872.12 : 86,762.10 = 34,577.20 : x
  2. Step 2: Convert to fraction form
    62,872.12/86,762.10 = 34,577.20/x
  3. Step 3: Cross multiply
    62,872.12x = 86,762.10 × 34,577.20
  4. Step 4: Simplify right side
    62,872.12x = 2,999,990,484.12
  5. Step 5: Solve for x
    x = 2,999,990,484.12/62,872.12
  6. Step 6: Final answer
    x = 47,715.75

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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.