Home / 88,681.96-122,212.24-63,487.72

Finding the Fourth Proportional to 88,681.96, 122,212.24 and 63,487.72

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Solution

The fourth proportional to 88,681.96, 122,212.24 and 63,487.72 is: 87,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.96 : 122,212.24 = 63,487.72 : x
  2. Step 2: Convert to fraction form
    88,681.96/122,212.24 = 63,487.72/x
  3. Step 3: Cross multiply
    88,681.96x = 122,212.24 × 63,487.72
  4. Step 4: Simplify right side
    88,681.96x = 7,758,976,473.69
  5. Step 5: Solve for x
    x = 7,758,976,473.69/88,681.96
  6. Step 6: Final answer
    x = 87,492.16

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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.