Home / 89,047.20-133,570.80-59,255.40

Finding the Fourth Proportional to 89,047.20, 133,570.80 and 59,255.40

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Solution

The fourth proportional to 89,047.20, 133,570.80 and 59,255.40 is: 88,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,047.20 : 133,570.80 = 59,255.40 : x
  2. Step 2: Convert to fraction form
    89,047.20/133,570.80 = 59,255.40/x
  3. Step 3: Cross multiply
    89,047.20x = 133,570.80 × 59,255.40
  4. Step 4: Simplify right side
    89,047.20x = 7,914,791,182.32
  5. Step 5: Solve for x
    x = 7,914,791,182.32/89,047.20
  6. Step 6: Final answer
    x = 88,883.10

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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.