Home / 56,808.10-78,401.04-34,154.50

Finding the Fourth Proportional to 56,808.10, 78,401.04 and 34,154.50

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Solution

The fourth proportional to 56,808.10, 78,401.04 and 34,154.50 is: 47,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,808.10 : 78,401.04 = 34,154.50 : x
  2. Step 2: Convert to fraction form
    56,808.10/78,401.04 = 34,154.50/x
  3. Step 3: Cross multiply
    56,808.10x = 78,401.04 × 34,154.50
  4. Step 4: Simplify right side
    56,808.10x = 2,677,748,320.68
  5. Step 5: Solve for x
    x = 2,677,748,320.68/56,808.10
  6. Step 6: Final answer
    x = 47,136.73

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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.