Home / 43,017.23-64,422.02-25,870.81

Finding the Fourth Proportional to 43,017.23, 64,422.02 and 25,870.81

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Solution

The fourth proportional to 43,017.23, 64,422.02 and 25,870.81 is: 38,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,017.23 : 64,422.02 = 25,870.81 : x
  2. Step 2: Convert to fraction form
    43,017.23/64,422.02 = 25,870.81/x
  3. Step 3: Cross multiply
    43,017.23x = 64,422.02 × 25,870.81
  4. Step 4: Simplify right side
    43,017.23x = 1,666,649,839.24
  5. Step 5: Solve for x
    x = 1,666,649,839.24/43,017.23
  6. Step 6: Final answer
    x = 38,743.77

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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.