Home / 89,244.56-133,688.30-53,686.28

Finding the Fourth Proportional to 89,244.56, 133,688.30 and 53,686.28

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Solution

The fourth proportional to 89,244.56, 133,688.30 and 53,686.28 is: 80,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,244.56 : 133,688.30 = 53,686.28 : x
  2. Step 2: Convert to fraction form
    89,244.56/133,688.30 = 53,686.28/x
  3. Step 3: Cross multiply
    89,244.56x = 133,688.30 × 53,686.28
  4. Step 4: Simplify right side
    89,244.56x = 7,177,227,506.52
  5. Step 5: Solve for x
    x = 7,177,227,506.52/89,244.56
  6. Step 6: Final answer
    x = 80,422.02

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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.