Home / 88,247.96-121,799.90-52,431.08

Finding the Fourth Proportional to 88,247.96, 121,799.90 and 52,431.08

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Solution

The fourth proportional to 88,247.96, 121,799.90 and 52,431.08 is: 72,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,247.96 : 121,799.90 = 52,431.08 : x
  2. Step 2: Convert to fraction form
    88,247.96/121,799.90 = 52,431.08/x
  3. Step 3: Cross multiply
    88,247.96x = 121,799.90 × 52,431.08
  4. Step 4: Simplify right side
    88,247.96x = 6,386,099,429.74
  5. Step 5: Solve for x
    x = 6,386,099,429.74/88,247.96
  6. Step 6: Final answer
    x = 72,365.41

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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.