Home / 88,315.60-121,876.96-48,030.16

Finding the Fourth Proportional to 88,315.60, 121,876.96 and 48,030.16

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Solution

The fourth proportional to 88,315.60, 121,876.96 and 48,030.16 is: 66,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315.60 : 121,876.96 = 48,030.16 : x
  2. Step 2: Convert to fraction form
    88,315.60/121,876.96 = 48,030.16/x
  3. Step 3: Cross multiply
    88,315.60x = 121,876.96 × 48,030.16
  4. Step 4: Simplify right side
    88,315.60x = 5,853,769,889.11
  5. Step 5: Solve for x
    x = 5,853,769,889.11/88,315.60
  6. Step 6: Final answer
    x = 66,282.40

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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.