Home / 88,330.40-121,884.11-52,507.34

Finding the Fourth Proportional to 88,330.40, 121,884.11 and 52,507.34

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Solution

The fourth proportional to 88,330.40, 121,884.11 and 52,507.34 is: 72,453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,330.40 : 121,884.11 = 52,507.34 : x
  2. Step 2: Convert to fraction form
    88,330.40/121,884.11 = 52,507.34/x
  3. Step 3: Cross multiply
    88,330.40x = 121,884.11 × 52,507.34
  4. Step 4: Simplify right side
    88,330.40x = 6,399,810,186.38
  5. Step 5: Solve for x
    x = 6,399,810,186.38/88,330.40
  6. Step 6: Final answer
    x = 72,453.09

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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.