Home / 88,718.10-133,077.15-87,260.10

Finding the Fourth Proportional to 88,718.10, 133,077.15 and 87,260.10

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Solution

The fourth proportional to 88,718.10, 133,077.15 and 87,260.10 is: 130,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718.10 : 133,077.15 = 87,260.10 : x
  2. Step 2: Convert to fraction form
    88,718.10/133,077.15 = 87,260.10/x
  3. Step 3: Cross multiply
    88,718.10x = 133,077.15 × 87,260.10
  4. Step 4: Simplify right side
    88,718.10x = 11,612,325,416.72
  5. Step 5: Solve for x
    x = 11,612,325,416.72/88,718.10
  6. Step 6: Final answer
    x = 130,890.15

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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.