Home / 89,088.20-133,632.21-36,497.78

Finding the Fourth Proportional to 89,088.20, 133,632.21 and 36,497.78

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Solution

The fourth proportional to 89,088.20, 133,632.21 and 36,497.78 is: 54,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,088.20 : 133,632.21 = 36,497.78 : x
  2. Step 2: Convert to fraction form
    89,088.20/133,632.21 = 36,497.78/x
  3. Step 3: Cross multiply
    89,088.20x = 133,632.21 × 36,497.78
  4. Step 4: Simplify right side
    89,088.20x = 4,877,279,001.49
  5. Step 5: Solve for x
    x = 4,877,279,001.49/89,088.20
  6. Step 6: Final answer
    x = 54,746.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.