Home / 88,280.37-121,829.28-47,996.88

Finding the Fourth Proportional to 88,280.37, 121,829.28 and 47,996.88

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Solution

The fourth proportional to 88,280.37, 121,829.28 and 47,996.88 is: 66,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,280.37 : 121,829.28 = 47,996.88 : x
  2. Step 2: Convert to fraction form
    88,280.37/121,829.28 = 47,996.88/x
  3. Step 3: Cross multiply
    88,280.37x = 121,829.28 × 47,996.88
  4. Step 4: Simplify right side
    88,280.37x = 5,847,425,332.65
  5. Step 5: Solve for x
    x = 5,847,425,332.65/88,280.37
  6. Step 6: Final answer
    x = 66,236.98

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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.