Home / 90,547.31-135,846.89-43,826.51

Finding the Fourth Proportional to 90,547.31, 135,846.89 and 43,826.51

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Solution

The fourth proportional to 90,547.31, 135,846.89 and 43,826.51 is: 65,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,547.31 : 135,846.89 = 43,826.51 : x
  2. Step 2: Convert to fraction form
    90,547.31/135,846.89 = 43,826.51/x
  3. Step 3: Cross multiply
    90,547.31x = 135,846.89 × 43,826.51
  4. Step 4: Simplify right side
    90,547.31x = 5,953,694,863.92
  5. Step 5: Solve for x
    x = 5,953,694,863.92/90,547.31
  6. Step 6: Final answer
    x = 65,752.31

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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.