Home / 63,665.19-87,859.35-34,985.12

Finding the Fourth Proportional to 63,665.19, 87,859.35 and 34,985.12

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Solution

The fourth proportional to 63,665.19, 87,859.35 and 34,985.12 is: 48,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,665.19 : 87,859.35 = 34,985.12 : x
  2. Step 2: Convert to fraction form
    63,665.19/87,859.35 = 34,985.12/x
  3. Step 3: Cross multiply
    63,665.19x = 87,859.35 × 34,985.12
  4. Step 4: Simplify right side
    63,665.19x = 3,073,769,463.58
  5. Step 5: Solve for x
    x = 3,073,769,463.58/63,665.19
  6. Step 6: Final answer
    x = 48,280.22

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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.