Home / 107,224.86-147,967.45-61,901.31

Finding the Fourth Proportional to 107,224.86, 147,967.45 and 61,901.31

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Solution

The fourth proportional to 107,224.86, 147,967.45 and 61,901.31 is: 85,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,224.86 : 147,967.45 = 61,901.31 : x
  2. Step 2: Convert to fraction form
    107,224.86/147,967.45 = 61,901.31/x
  3. Step 3: Cross multiply
    107,224.86x = 147,967.45 × 61,901.31
  4. Step 4: Simplify right side
    107,224.86x = 9,159,378,992.36
  5. Step 5: Solve for x
    x = 9,159,378,992.36/107,224.86
  6. Step 6: Final answer
    x = 85,422.16

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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.