Home / 64,748.28-89,403.30-50,641.32

Finding the Fourth Proportional to 64,748.28, 89,403.30 and 50,641.32

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Solution

The fourth proportional to 64,748.28, 89,403.30 and 50,641.32 is: 69,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,748.28 : 89,403.30 = 50,641.32 : x
  2. Step 2: Convert to fraction form
    64,748.28/89,403.30 = 50,641.32/x
  3. Step 3: Cross multiply
    64,748.28x = 89,403.30 × 50,641.32
  4. Step 4: Simplify right side
    64,748.28x = 4,527,501,124.36
  5. Step 5: Solve for x
    x = 4,527,501,124.36/64,748.28
  6. Step 6: Final answer
    x = 69,924.65

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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.