Home / 88,345.36-121,915.33-48,059.47

Finding the Fourth Proportional to 88,345.36, 121,915.33 and 48,059.47

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Solution

The fourth proportional to 88,345.36, 121,915.33 and 48,059.47 is: 66,321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,345.36 : 121,915.33 = 48,059.47 : x
  2. Step 2: Convert to fraction form
    88,345.36/121,915.33 = 48,059.47/x
  3. Step 3: Cross multiply
    88,345.36x = 121,915.33 × 48,059.47
  4. Step 4: Simplify right side
    88,345.36x = 5,859,186,144.68
  5. Step 5: Solve for x
    x = 5,859,186,144.68/88,345.36
  6. Step 6: Final answer
    x = 66,321.38

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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.