Home / 84,027.12-126,058.44-70,272.24

Finding the Fourth Proportional to 84,027.12, 126,058.44 and 70,272.24

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Solution

The fourth proportional to 84,027.12, 126,058.44 and 70,272.24 is: 105,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,027.12 : 126,058.44 = 70,272.24 : x
  2. Step 2: Convert to fraction form
    84,027.12/126,058.44 = 70,272.24/x
  3. Step 3: Cross multiply
    84,027.12x = 126,058.44 × 70,272.24
  4. Step 4: Simplify right side
    84,027.12x = 8,858,408,949.71
  5. Step 5: Solve for x
    x = 8,858,408,949.71/84,027.12
  6. Step 6: Final answer
    x = 105,423.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.