Home / 61,120.09-84,345.61-34,262.59

Finding the Fourth Proportional to 61,120.09, 84,345.61 and 34,262.59

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Solution

The fourth proportional to 61,120.09, 84,345.61 and 34,262.59 is: 47,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,120.09 : 84,345.61 = 34,262.59 : x
  2. Step 2: Convert to fraction form
    61,120.09/84,345.61 = 34,262.59/x
  3. Step 3: Cross multiply
    61,120.09x = 84,345.61 × 34,262.59
  4. Step 4: Simplify right side
    61,120.09x = 2,889,899,053.73
  5. Step 5: Solve for x
    x = 2,889,899,053.73/61,120.09
  6. Step 6: Final answer
    x = 47,282.31

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1.5x scale

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.