Home / 87,762.96-121,113.18-47,476.89

Finding the Fourth Proportional to 87,762.96, 121,113.18 and 47,476.89

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Solution

The fourth proportional to 87,762.96, 121,113.18 and 47,476.89 is: 65,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,762.96 : 121,113.18 = 47,476.89 : x
  2. Step 2: Convert to fraction form
    87,762.96/121,113.18 = 47,476.89/x
  3. Step 3: Cross multiply
    87,762.96x = 121,113.18 × 47,476.89
  4. Step 4: Simplify right side
    87,762.96x = 5,750,077,124.41
  5. Step 5: Solve for x
    x = 5,750,077,124.41/87,762.96
  6. Step 6: Final answer
    x = 65,518.27

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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.