Home / 52,422.42-72,343.02-28,549.19

Finding the Fourth Proportional to 52,422.42, 72,343.02 and 28,549.19

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Solution

The fourth proportional to 52,422.42, 72,343.02 and 28,549.19 is: 39,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422.42 : 72,343.02 = 28,549.19 : x
  2. Step 2: Convert to fraction form
    52,422.42/72,343.02 = 28,549.19/x
  3. Step 3: Cross multiply
    52,422.42x = 72,343.02 × 28,549.19
  4. Step 4: Simplify right side
    52,422.42x = 2,065,334,911.07
  5. Step 5: Solve for x
    x = 2,065,334,911.07/52,422.42
  6. Step 6: Final answer
    x = 39,397.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.