Home / 90,947.34-125,507.46-52,714.32

Finding the Fourth Proportional to 90,947.34, 125,507.46 and 52,714.32

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Solution

The fourth proportional to 90,947.34, 125,507.46 and 52,714.32 is: 72,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,947.34 : 125,507.46 = 52,714.32 : x
  2. Step 2: Convert to fraction form
    90,947.34/125,507.46 = 52,714.32/x
  3. Step 3: Cross multiply
    90,947.34x = 125,507.46 × 52,714.32
  4. Step 4: Simplify right side
    90,947.34x = 6,616,040,408.83
  5. Step 5: Solve for x
    x = 6,616,040,408.83/90,947.34
  6. Step 6: Final answer
    x = 72,745.84

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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.