Home / 88,365.46-121,940.69-48,079.39

Finding the Fourth Proportional to 88,365.46, 121,940.69 and 48,079.39

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Solution

The fourth proportional to 88,365.46, 121,940.69 and 48,079.39 is: 66,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,365.46 : 121,940.69 = 48,079.39 : x
  2. Step 2: Convert to fraction form
    88,365.46/121,940.69 = 48,079.39/x
  3. Step 3: Cross multiply
    88,365.46x = 121,940.69 × 48,079.39
  4. Step 4: Simplify right side
    88,365.46x = 5,862,833,141.28
  5. Step 5: Solve for x
    x = 5,862,833,141.28/88,365.46
  6. Step 6: Final answer
    x = 66,347.57

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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.