Home / 88,787.32-122,530.14-51,061.60

Finding the Fourth Proportional to 88,787.32, 122,530.14 and 51,061.60

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Solution

The fourth proportional to 88,787.32, 122,530.14 and 51,061.60 is: 70,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,787.32 : 122,530.14 = 51,061.60 : x
  2. Step 2: Convert to fraction form
    88,787.32/122,530.14 = 51,061.60/x
  3. Step 3: Cross multiply
    88,787.32x = 122,530.14 × 51,061.60
  4. Step 4: Simplify right side
    88,787.32x = 6,256,584,996.62
  5. Step 5: Solve for x
    x = 6,256,584,996.62/88,787.32
  6. Step 6: Final answer
    x = 70,467.10

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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.