Home / 61,116.40-84,339.01-34,260.65

Finding the Fourth Proportional to 61,116.40, 84,339.01 and 34,260.65

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Solution

The fourth proportional to 61,116.40, 84,339.01 and 34,260.65 is: 47,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,116.40 : 84,339.01 = 34,260.65 : x
  2. Step 2: Convert to fraction form
    61,116.40/84,339.01 = 34,260.65/x
  3. Step 3: Cross multiply
    61,116.40x = 84,339.01 × 34,260.65
  4. Step 4: Simplify right side
    61,116.40x = 2,889,509,302.96
  5. Step 5: Solve for x
    x = 2,889,509,302.96/61,116.40
  6. Step 6: Final answer
    x = 47,278.79

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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.