Home / 88,337.90-121,909.47-50,619.44

Finding the Fourth Proportional to 88,337.90, 121,909.47 and 50,619.44

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Solution

The fourth proportional to 88,337.90, 121,909.47 and 50,619.44 is: 69,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,337.90 : 121,909.47 = 50,619.44 : x
  2. Step 2: Convert to fraction form
    88,337.90/121,909.47 = 50,619.44/x
  3. Step 3: Cross multiply
    88,337.90x = 121,909.47 × 50,619.44
  4. Step 4: Simplify right side
    88,337.90x = 6,170,989,102.10
  5. Step 5: Solve for x
    x = 6,170,989,102.10/88,337.90
  6. Step 6: Final answer
    x = 69,856.64

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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.