Home / 64,539.28-89,039.25-47,583.75

Finding the Fourth Proportional to 64,539.28, 89,039.25 and 47,583.75

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Solution

The fourth proportional to 64,539.28, 89,039.25 and 47,583.75 is: 65,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,539.28 : 89,039.25 = 47,583.75 : x
  2. Step 2: Convert to fraction form
    64,539.28/89,039.25 = 47,583.75/x
  3. Step 3: Cross multiply
    64,539.28x = 89,039.25 × 47,583.75
  4. Step 4: Simplify right side
    64,539.28x = 4,236,821,746.08
  5. Step 5: Solve for x
    x = 4,236,821,746.08/64,539.28
  6. Step 6: Final answer
    x = 65,647.18

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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.