Home / 81,926.64-113,063.40-50,090.40

Finding the Fourth Proportional to 81,926.64, 113,063.40 and 50,090.40

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Solution

The fourth proportional to 81,926.64, 113,063.40 and 50,090.40 is: 69,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,926.64 : 113,063.40 = 50,090.40 : x
  2. Step 2: Convert to fraction form
    81,926.64/113,063.40 = 50,090.40/x
  3. Step 3: Cross multiply
    81,926.64x = 113,063.40 × 50,090.40
  4. Step 4: Simplify right side
    81,926.64x = 5,663,390,931.36
  5. Step 5: Solve for x
    x = 5,663,390,931.36/81,926.64
  6. Step 6: Final answer
    x = 69,127.59

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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.