Home / 88,153.68-121,653.54-47,867.52

Finding the Fourth Proportional to 88,153.68, 121,653.54 and 47,867.52

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Solution

The fourth proportional to 88,153.68, 121,653.54 and 47,867.52 is: 66,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,153.68 : 121,653.54 = 47,867.52 : x
  2. Step 2: Convert to fraction form
    88,153.68/121,653.54 = 47,867.52/x
  3. Step 3: Cross multiply
    88,153.68x = 121,653.54 × 47,867.52
  4. Step 4: Simplify right side
    88,153.68x = 5,823,253,259.02
  5. Step 5: Solve for x
    x = 5,823,253,259.02/88,153.68
  6. Step 6: Final answer
    x = 66,057.97

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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.