Home / 88,368.64-121,947.36-48,081.46

Finding the Fourth Proportional to 88,368.64, 121,947.36 and 48,081.46

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Solution

The fourth proportional to 88,368.64, 121,947.36 and 48,081.46 is: 66,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,368.64 : 121,947.36 = 48,081.46 : x
  2. Step 2: Convert to fraction form
    88,368.64/121,947.36 = 48,081.46/x
  3. Step 3: Cross multiply
    88,368.64x = 121,947.36 × 48,081.46
  4. Step 4: Simplify right side
    88,368.64x = 5,863,407,111.95
  5. Step 5: Solve for x
    x = 5,863,407,111.95/88,368.64
  6. Step 6: Final answer
    x = 66,351.67

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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.