Home / 64,824.75-89,458.16-36,531.45

Finding the Fourth Proportional to 64,824.75, 89,458.16 and 36,531.45

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Solution

The fourth proportional to 64,824.75, 89,458.16 and 36,531.45 is: 50,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,824.75 : 89,458.16 = 36,531.45 : x
  2. Step 2: Convert to fraction form
    64,824.75/89,458.16 = 36,531.45/x
  3. Step 3: Cross multiply
    64,824.75x = 89,458.16 × 36,531.45
  4. Step 4: Simplify right side
    64,824.75x = 3,268,036,116.47
  5. Step 5: Solve for x
    x = 3,268,036,116.47/64,824.75
  6. Step 6: Final answer
    x = 50,413.40

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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.