Home / 109,139.75-150,566.27-62,547.94

Finding the Fourth Proportional to 109,139.75, 150,566.27 and 62,547.94

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Solution

The fourth proportional to 109,139.75, 150,566.27 and 62,547.94 is: 86,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,139.75 : 150,566.27 = 62,547.94 : x
  2. Step 2: Convert to fraction form
    109,139.75/150,566.27 = 62,547.94/x
  3. Step 3: Cross multiply
    109,139.75x = 150,566.27 × 62,547.94
  4. Step 4: Simplify right side
    109,139.75x = 9,417,610,021.98
  5. Step 5: Solve for x
    x = 9,417,610,021.98/109,139.75
  6. Step 6: Final answer
    x = 86,289.46

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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.