Home / 90,541.71-135,897.21-46,200.33

Finding the Fourth Proportional to 90,541.71, 135,897.21 and 46,200.33

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Solution

The fourth proportional to 90,541.71, 135,897.21 and 46,200.33 is: 69,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541.71 : 135,897.21 = 46,200.33 : x
  2. Step 2: Convert to fraction form
    90,541.71/135,897.21 = 46,200.33/x
  3. Step 3: Cross multiply
    90,541.71x = 135,897.21 × 46,200.33
  4. Step 4: Simplify right side
    90,541.71x = 6,278,495,948.08
  5. Step 5: Solve for x
    x = 6,278,495,948.08/90,541.71
  6. Step 6: Final answer
    x = 69,343.69

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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.