Home / 88,176.79-121,684.85-47,890.93

Finding the Fourth Proportional to 88,176.79, 121,684.85 and 47,890.93

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Solution

The fourth proportional to 88,176.79, 121,684.85 and 47,890.93 is: 66,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176.79 : 121,684.85 = 47,890.93 : x
  2. Step 2: Convert to fraction form
    88,176.79/121,684.85 = 47,890.93/x
  3. Step 3: Cross multiply
    88,176.79x = 121,684.85 × 47,890.93
  4. Step 4: Simplify right side
    88,176.79x = 5,827,600,633.41
  5. Step 5: Solve for x
    x = 5,827,600,633.41/88,176.79
  6. Step 6: Final answer
    x = 66,089.96

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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.