Home / 90,866.16-125,397.72-50,583.96

Finding the Fourth Proportional to 90,866.16, 125,397.72 and 50,583.96

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Solution

The fourth proportional to 90,866.16, 125,397.72 and 50,583.96 is: 69,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,866.16 : 125,397.72 = 50,583.96 : x
  2. Step 2: Convert to fraction form
    90,866.16/125,397.72 = 50,583.96/x
  3. Step 3: Cross multiply
    90,866.16x = 125,397.72 × 50,583.96
  4. Step 4: Simplify right side
    90,866.16x = 6,343,113,252.57
  5. Step 5: Solve for x
    x = 6,343,113,252.57/90,866.16
  6. Step 6: Final answer
    x = 69,807.21

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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.