Home / 62,721.32-86,555.70-34,427.24

Finding the Fourth Proportional to 62,721.32, 86,555.70 and 34,427.24

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Solution

The fourth proportional to 62,721.32, 86,555.70 and 34,427.24 is: 47,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,721.32 : 86,555.70 = 34,427.24 : x
  2. Step 2: Convert to fraction form
    62,721.32/86,555.70 = 34,427.24/x
  3. Step 3: Cross multiply
    62,721.32x = 86,555.70 × 34,427.24
  4. Step 4: Simplify right side
    62,721.32x = 2,979,873,857.27
  5. Step 5: Solve for x
    x = 2,979,873,857.27/62,721.32
  6. Step 6: Final answer
    x = 47,509.74

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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.