Home / 71,319.02-106,979.75-26,966.66

Finding the Fourth Proportional to 71,319.02, 106,979.75 and 26,966.66

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Solution

The fourth proportional to 71,319.02, 106,979.75 and 26,966.66 is: 40,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,319.02 : 106,979.75 = 26,966.66 : x
  2. Step 2: Convert to fraction form
    71,319.02/106,979.75 = 26,966.66/x
  3. Step 3: Cross multiply
    71,319.02x = 106,979.75 × 26,966.66
  4. Step 4: Simplify right side
    71,319.02x = 2,884,886,812.58
  5. Step 5: Solve for x
    x = 2,884,886,812.58/71,319.02
  6. Step 6: Final answer
    x = 40,450.45

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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.