Home / 84,700.46-116,871.18-48,877.40

Finding the Fourth Proportional to 84,700.46, 116,871.18 and 48,877.40

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Solution

The fourth proportional to 84,700.46, 116,871.18 and 48,877.40 is: 67,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,700.46 : 116,871.18 = 48,877.40 : x
  2. Step 2: Convert to fraction form
    84,700.46/116,871.18 = 48,877.40/x
  3. Step 3: Cross multiply
    84,700.46x = 116,871.18 × 48,877.40
  4. Step 4: Simplify right side
    84,700.46x = 5,712,359,413.33
  5. Step 5: Solve for x
    x = 5,712,359,413.33/84,700.46
  6. Step 6: Final answer
    x = 67,441.89

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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.