Home / 88,507.32-122,138.98-48,222.76

Finding the Fourth Proportional to 88,507.32, 122,138.98 and 48,222.76

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Solution

The fourth proportional to 88,507.32, 122,138.98 and 48,222.76 is: 66,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,507.32 : 122,138.98 = 48,222.76 : x
  2. Step 2: Convert to fraction form
    88,507.32/122,138.98 = 48,222.76/x
  3. Step 3: Cross multiply
    88,507.32x = 122,138.98 × 48,222.76
  4. Step 4: Simplify right side
    88,507.32x = 5,889,878,719.18
  5. Step 5: Solve for x
    x = 5,889,878,719.18/88,507.32
  6. Step 6: Final answer
    x = 66,546.80

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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.