Home / 71,091.73-98,125.59-40,880.35

Finding the Fourth Proportional to 71,091.73, 98,125.59 and 40,880.35

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Solution

The fourth proportional to 71,091.73, 98,125.59 and 40,880.35 is: 56,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,091.73 : 98,125.59 = 40,880.35 : x
  2. Step 2: Convert to fraction form
    71,091.73/98,125.59 = 40,880.35/x
  3. Step 3: Cross multiply
    71,091.73x = 98,125.59 × 40,880.35
  4. Step 4: Simplify right side
    71,091.73x = 4,011,408,463.16
  5. Step 5: Solve for x
    x = 4,011,408,463.16/71,091.73
  6. Step 6: Final answer
    x = 56,425.81

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1.5x scale

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.