Home / 52,161.34-78,114.40-47,106.94

Finding the Fourth Proportional to 52,161.34, 78,114.40 and 47,106.94

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Solution

The fourth proportional to 52,161.34, 78,114.40 and 47,106.94 is: 70,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,161.34 : 78,114.40 = 47,106.94 : x
  2. Step 2: Convert to fraction form
    52,161.34/78,114.40 = 47,106.94/x
  3. Step 3: Cross multiply
    52,161.34x = 78,114.40 × 47,106.94
  4. Step 4: Simplify right side
    52,161.34x = 3,679,730,353.94
  5. Step 5: Solve for x
    x = 3,679,730,353.94/52,161.34
  6. Step 6: Final answer
    x = 70,545.17

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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.