Home / 89,128.04-122,995.98-48,841.70

Finding the Fourth Proportional to 89,128.04, 122,995.98 and 48,841.70

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Solution

The fourth proportional to 89,128.04, 122,995.98 and 48,841.70 is: 67,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,128.04 : 122,995.98 = 48,841.70 : x
  2. Step 2: Convert to fraction form
    89,128.04/122,995.98 = 48,841.70/x
  3. Step 3: Cross multiply
    89,128.04x = 122,995.98 × 48,841.70
  4. Step 4: Simplify right side
    89,128.04x = 6,007,332,141.39
  5. Step 5: Solve for x
    x = 6,007,332,141.39/89,128.04
  6. Step 6: Final answer
    x = 67,401.15

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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.