Home / 88,354-121,928.52-48,612.56

Finding the Fourth Proportional to 88,354, 121,928.52 and 48,612.56

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Solution

The fourth proportional to 88,354, 121,928.52 and 48,612.56 is: 67,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,354 : 121,928.52 = 48,612.56 : x
  2. Step 2: Convert to fraction form
    88,354/121,928.52 = 48,612.56/x
  3. Step 3: Cross multiply
    88,354x = 121,928.52 × 48,612.56
  4. Step 4: Simplify right side
    88,354x = 5,927,257,494.21
  5. Step 5: Solve for x
    x = 5,927,257,494.21/88,354
  6. Step 6: Final answer
    x = 67,085.33

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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.