Home / 90,926.67-136,422.87-46,574.31

Finding the Fourth Proportional to 90,926.67, 136,422.87 and 46,574.31

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Solution

The fourth proportional to 90,926.67, 136,422.87 and 46,574.31 is: 69,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.67 : 136,422.87 = 46,574.31 : x
  2. Step 2: Convert to fraction form
    90,926.67/136,422.87 = 46,574.31/x
  3. Step 3: Cross multiply
    90,926.67x = 136,422.87 × 46,574.31
  4. Step 4: Simplify right side
    90,926.67x = 6,353,801,038.47
  5. Step 5: Solve for x
    x = 6,353,801,038.47/90,926.67
  6. Step 6: Final answer
    x = 69,878.30

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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.