Home / 53,722.26-74,145.86-31,075.02

Finding the Fourth Proportional to 53,722.26, 74,145.86 and 31,075.02

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Solution

The fourth proportional to 53,722.26, 74,145.86 and 31,075.02 is: 42,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,722.26 : 74,145.86 = 31,075.02 : x
  2. Step 2: Convert to fraction form
    53,722.26/74,145.86 = 31,075.02/x
  3. Step 3: Cross multiply
    53,722.26x = 74,145.86 × 31,075.02
  4. Step 4: Simplify right side
    53,722.26x = 2,304,084,082.42
  5. Step 5: Solve for x
    x = 2,304,084,082.42/53,722.26
  6. Step 6: Final answer
    x = 42,888.82

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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.