Home / 88,358.64-121,933.58-48,071.48

Finding the Fourth Proportional to 88,358.64, 121,933.58 and 48,071.48

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Solution

The fourth proportional to 88,358.64, 121,933.58 and 48,071.48 is: 66,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,358.64 : 121,933.58 = 48,071.48 : x
  2. Step 2: Convert to fraction form
    88,358.64/121,933.58 = 48,071.48/x
  3. Step 3: Cross multiply
    88,358.64x = 121,933.58 × 48,071.48
  4. Step 4: Simplify right side
    88,358.64x = 5,861,528,077.31
  5. Step 5: Solve for x
    x = 5,861,528,077.31/88,358.64
  6. Step 6: Final answer
    x = 66,337.92

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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.