Home / 84,424.32-126,063.36-75,559.68

Finding the Fourth Proportional to 84,424.32, 126,063.36 and 75,559.68

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Solution

The fourth proportional to 84,424.32, 126,063.36 and 75,559.68 is: 112,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,424.32 : 126,063.36 = 75,559.68 : x
  2. Step 2: Convert to fraction form
    84,424.32/126,063.36 = 75,559.68/x
  3. Step 3: Cross multiply
    84,424.32x = 126,063.36 × 75,559.68
  4. Step 4: Simplify right side
    84,424.32x = 9,525,307,141.32
  5. Step 5: Solve for x
    x = 9,525,307,141.32/84,424.32
  6. Step 6: Final answer
    x = 112,826.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.