Home / 70,784.04-106,172.61-26,407.38

Finding the Fourth Proportional to 70,784.04, 106,172.61 and 26,407.38

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Solution

The fourth proportional to 70,784.04, 106,172.61 and 26,407.38 is: 39,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,784.04 : 106,172.61 = 26,407.38 : x
  2. Step 2: Convert to fraction form
    70,784.04/106,172.61 = 26,407.38/x
  3. Step 3: Cross multiply
    70,784.04x = 106,172.61 × 26,407.38
  4. Step 4: Simplify right side
    70,784.04x = 2,803,740,457.86
  5. Step 5: Solve for x
    x = 2,803,740,457.86/70,784.04
  6. Step 6: Final answer
    x = 39,609.78

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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.