Home / 64,975.29-89,665.16-38,112.63

Finding the Fourth Proportional to 64,975.29, 89,665.16 and 38,112.63

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Solution

The fourth proportional to 64,975.29, 89,665.16 and 38,112.63 is: 52,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,975.29 : 89,665.16 = 38,112.63 : x
  2. Step 2: Convert to fraction form
    64,975.29/89,665.16 = 38,112.63/x
  3. Step 3: Cross multiply
    64,975.29x = 89,665.16 × 38,112.63
  4. Step 4: Simplify right side
    64,975.29x = 3,417,374,876.41
  5. Step 5: Solve for x
    x = 3,417,374,876.41/64,975.29
  6. Step 6: Final answer
    x = 52,594.99

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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.