Home / 90,613.40-125,037.32-52,909.52

Finding the Fourth Proportional to 90,613.40, 125,037.32 and 52,909.52

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Solution

The fourth proportional to 90,613.40, 125,037.32 and 52,909.52 is: 73,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,613.40 : 125,037.32 = 52,909.52 : x
  2. Step 2: Convert to fraction form
    90,613.40/125,037.32 = 52,909.52/x
  3. Step 3: Cross multiply
    90,613.40x = 125,037.32 × 52,909.52
  4. Step 4: Simplify right side
    90,613.40x = 6,615,664,090.37
  5. Step 5: Solve for x
    x = 6,615,664,090.37/90,613.40
  6. Step 6: Final answer
    x = 73,009.78

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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.