Home / 76,897.12-106,118.04-43,363.12

Finding the Fourth Proportional to 76,897.12, 106,118.04 and 43,363.12

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Solution

The fourth proportional to 76,897.12, 106,118.04 and 43,363.12 is: 59,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,897.12 : 106,118.04 = 43,363.12 : x
  2. Step 2: Convert to fraction form
    76,897.12/106,118.04 = 43,363.12/x
  3. Step 3: Cross multiply
    76,897.12x = 106,118.04 × 43,363.12
  4. Step 4: Simplify right side
    76,897.12x = 4,601,609,302.68
  5. Step 5: Solve for x
    x = 4,601,609,302.68/76,897.12
  6. Step 6: Final answer
    x = 59,841.11

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1.5x scale

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.