Home / 88,301.85-121,856.31-48,015.69

Finding the Fourth Proportional to 88,301.85, 121,856.31 and 48,015.69

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Solution

The fourth proportional to 88,301.85, 121,856.31 and 48,015.69 is: 66,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,301.85 : 121,856.31 = 48,015.69 : x
  2. Step 2: Convert to fraction form
    88,301.85/121,856.31 = 48,015.69/x
  3. Step 3: Cross multiply
    88,301.85x = 121,856.31 × 48,015.69
  4. Step 4: Simplify right side
    88,301.85x = 5,851,014,805.50
  5. Step 5: Solve for x
    x = 5,851,014,805.50/88,301.85
  6. Step 6: Final answer
    x = 66,261.52

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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.