Home / 89,127.07-122,995.47-48,842.30

Finding the Fourth Proportional to 89,127.07, 122,995.47 and 48,842.30

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Solution

The fourth proportional to 89,127.07, 122,995.47 and 48,842.30 is: 67,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.07 : 122,995.47 = 48,842.30 : x
  2. Step 2: Convert to fraction form
    89,127.07/122,995.47 = 48,842.30/x
  3. Step 3: Cross multiply
    89,127.07x = 122,995.47 × 48,842.30
  4. Step 4: Simplify right side
    89,127.07x = 6,007,381,951.87
  5. Step 5: Solve for x
    x = 6,007,381,951.87/89,127.07
  6. Step 6: Final answer
    x = 67,402.44

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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.