Home / 64,578.02-89,124.87-39,098.42

Finding the Fourth Proportional to 64,578.02, 89,124.87 and 39,098.42

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Solution

The fourth proportional to 64,578.02, 89,124.87 and 39,098.42 is: 53,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,578.02 : 89,124.87 = 39,098.42 : x
  2. Step 2: Convert to fraction form
    64,578.02/89,124.87 = 39,098.42/x
  3. Step 3: Cross multiply
    64,578.02x = 89,124.87 × 39,098.42
  4. Step 4: Simplify right side
    64,578.02x = 3,484,641,154.08
  5. Step 5: Solve for x
    x = 3,484,641,154.08/64,578.02
  6. Step 6: Final answer
    x = 53,960.18

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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.