Home / 90,507.52-124,906.35-52,268.67

Finding the Fourth Proportional to 90,507.52, 124,906.35 and 52,268.67

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Solution

The fourth proportional to 90,507.52, 124,906.35 and 52,268.67 is: 72,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,507.52 : 124,906.35 = 52,268.67 : x
  2. Step 2: Convert to fraction form
    90,507.52/124,906.35 = 52,268.67/x
  3. Step 3: Cross multiply
    90,507.52x = 124,906.35 × 52,268.67
  4. Step 4: Simplify right side
    90,507.52x = 6,528,688,789.05
  5. Step 5: Solve for x
    x = 6,528,688,789.05/90,507.52
  6. Step 6: Final answer
    x = 72,134.21

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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.