Home / 74,567.74-111,851.61-61,392.43

Finding the Fourth Proportional to 74,567.74, 111,851.61 and 61,392.43

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Solution

The fourth proportional to 74,567.74, 111,851.61 and 61,392.43 is: 92,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,567.74 : 111,851.61 = 61,392.43 : x
  2. Step 2: Convert to fraction form
    74,567.74/111,851.61 = 61,392.43/x
  3. Step 3: Cross multiply
    74,567.74x = 111,851.61 × 61,392.43
  4. Step 4: Simplify right side
    74,567.74x = 6,866,841,857.68
  5. Step 5: Solve for x
    x = 6,866,841,857.68/74,567.74
  6. Step 6: Final answer
    x = 92,088.64

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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.