Home / 48,073.65-72,136.35-20,013.09

Finding the Fourth Proportional to 48,073.65, 72,136.35 and 20,013.09

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Solution

The fourth proportional to 48,073.65, 72,136.35 and 20,013.09 is: 30,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,073.65 : 72,136.35 = 20,013.09 : x
  2. Step 2: Convert to fraction form
    48,073.65/72,136.35 = 20,013.09/x
  3. Step 3: Cross multiply
    48,073.65x = 72,136.35 × 20,013.09
  4. Step 4: Simplify right side
    48,073.65x = 1,443,671,264.82
  5. Step 5: Solve for x
    x = 1,443,671,264.82/48,073.65
  6. Step 6: Final answer
    x = 30,030.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.