Home / 74,335.05-111,482.02-21,022.84

Finding the Fourth Proportional to 74,335.05, 111,482.02 and 21,022.84

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Solution

The fourth proportional to 74,335.05, 111,482.02 and 21,022.84 is: 31,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,335.05 : 111,482.02 = 21,022.84 : x
  2. Step 2: Convert to fraction form
    74,335.05/111,482.02 = 21,022.84/x
  3. Step 3: Cross multiply
    74,335.05x = 111,482.02 × 21,022.84
  4. Step 4: Simplify right side
    74,335.05x = 2,343,668,834.97
  5. Step 5: Solve for x
    x = 2,343,668,834.97/74,335.05
  6. Step 6: Final answer
    x = 31,528.45

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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.