Home / 88,350.16-121,883.07-52,519.81

Finding the Fourth Proportional to 88,350.16, 121,883.07 and 52,519.81

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Solution

The fourth proportional to 88,350.16, 121,883.07 and 52,519.81 is: 72,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,350.16 : 121,883.07 = 52,519.81 : x
  2. Step 2: Convert to fraction form
    88,350.16/121,883.07 = 52,519.81/x
  3. Step 3: Cross multiply
    88,350.16x = 121,883.07 × 52,519.81
  4. Step 4: Simplify right side
    88,350.16x = 6,401,275,678.62
  5. Step 5: Solve for x
    x = 6,401,275,678.62/88,350.16
  6. Step 6: Final answer
    x = 72,453.47

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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.