Home / 71,686.76-107,526.02-34,272.65

Finding the Fourth Proportional to 71,686.76, 107,526.02 and 34,272.65

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Solution

The fourth proportional to 71,686.76, 107,526.02 and 34,272.65 is: 51,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,686.76 : 107,526.02 = 34,272.65 : x
  2. Step 2: Convert to fraction form
    71,686.76/107,526.02 = 34,272.65/x
  3. Step 3: Cross multiply
    71,686.76x = 107,526.02 × 34,272.65
  4. Step 4: Simplify right side
    71,686.76x = 3,685,201,746.80
  5. Step 5: Solve for x
    x = 3,685,201,746.80/71,686.76
  6. Step 6: Final answer
    x = 51,407.01

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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.