Home / 88,120.44-121,639.32-52,328.16

Finding the Fourth Proportional to 88,120.44, 121,639.32 and 52,328.16

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Solution

The fourth proportional to 88,120.44, 121,639.32 and 52,328.16 is: 72,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120.44 : 121,639.32 = 52,328.16 : x
  2. Step 2: Convert to fraction form
    88,120.44/121,639.32 = 52,328.16/x
  3. Step 3: Cross multiply
    88,120.44x = 121,639.32 × 52,328.16
  4. Step 4: Simplify right side
    88,120.44x = 6,365,161,799.25
  5. Step 5: Solve for x
    x = 6,365,161,799.25/88,120.44
  6. Step 6: Final answer
    x = 72,232.52

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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.