Home / 71,386.56-107,089.26-26,401.80

Finding the Fourth Proportional to 71,386.56, 107,089.26 and 26,401.80

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Solution

The fourth proportional to 71,386.56, 107,089.26 and 26,401.80 is: 39,606.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,386.56 : 107,089.26 = 26,401.80 : x
  2. Step 2: Convert to fraction form
    71,386.56/107,089.26 = 26,401.80/x
  3. Step 3: Cross multiply
    71,386.56x = 107,089.26 × 26,401.80
  4. Step 4: Simplify right side
    71,386.56x = 2,827,349,224.67
  5. Step 5: Solve for x
    x = 2,827,349,224.67/71,386.56
  6. Step 6: Final answer
    x = 39,606.18

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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.