Home / 74,070.72-111,127.60-26,684.91

Finding the Fourth Proportional to 74,070.72, 111,127.60 and 26,684.91

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Solution

The fourth proportional to 74,070.72, 111,127.60 and 26,684.91 is: 40,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,070.72 : 111,127.60 = 26,684.91 : x
  2. Step 2: Convert to fraction form
    74,070.72/111,127.60 = 26,684.91/x
  3. Step 3: Cross multiply
    74,070.72x = 111,127.60 × 26,684.91
  4. Step 4: Simplify right side
    74,070.72x = 2,965,429,732.18
  5. Step 5: Solve for x
    x = 2,965,429,732.18/74,070.72
  6. Step 6: Final answer
    x = 40,035.11

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1.5x scale

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.