Home / 88,276.26-121,812.12-52,459.38

Finding the Fourth Proportional to 88,276.26, 121,812.12 and 52,459.38

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Solution

The fourth proportional to 88,276.26, 121,812.12 and 52,459.38 is: 72,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,276.26 : 121,812.12 = 52,459.38 : x
  2. Step 2: Convert to fraction form
    88,276.26/121,812.12 = 52,459.38/x
  3. Step 3: Cross multiply
    88,276.26x = 121,812.12 × 52,459.38
  4. Step 4: Simplify right side
    88,276.26x = 6,390,188,291.69
  5. Step 5: Solve for x
    x = 6,390,188,291.69/88,276.26
  6. Step 6: Final answer
    x = 72,388.53

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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.