Home / 88,365.40-121,944.77-48,079.46

Finding the Fourth Proportional to 88,365.40, 121,944.77 and 48,079.46

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Solution

The fourth proportional to 88,365.40, 121,944.77 and 48,079.46 is: 66,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,365.40 : 121,944.77 = 48,079.46 : x
  2. Step 2: Convert to fraction form
    88,365.40/121,944.77 = 48,079.46/x
  3. Step 3: Cross multiply
    88,365.40x = 121,944.77 × 48,079.46
  4. Step 4: Simplify right side
    88,365.40x = 5,863,038,691.42
  5. Step 5: Solve for x
    x = 5,863,038,691.42/88,365.40
  6. Step 6: Final answer
    x = 66,349.94

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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.