Home / 83,675.32-115,488.30-51,858.36

Finding the Fourth Proportional to 83,675.32, 115,488.30 and 51,858.36

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Solution

The fourth proportional to 83,675.32, 115,488.30 and 51,858.36 is: 71,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,675.32 : 115,488.30 = 51,858.36 : x
  2. Step 2: Convert to fraction form
    83,675.32/115,488.30 = 51,858.36/x
  3. Step 3: Cross multiply
    83,675.32x = 115,488.30 × 51,858.36
  4. Step 4: Simplify right side
    83,675.32x = 5,989,033,837.19
  5. Step 5: Solve for x
    x = 5,989,033,837.19/83,675.32
  6. Step 6: Final answer
    x = 71,574.68

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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.