Home / 90,047.34-124,274.95-51,808.56

Finding the Fourth Proportional to 90,047.34, 124,274.95 and 51,808.56

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Solution

The fourth proportional to 90,047.34, 124,274.95 and 51,808.56 is: 71,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,047.34 : 124,274.95 = 51,808.56 : x
  2. Step 2: Convert to fraction form
    90,047.34/124,274.95 = 51,808.56/x
  3. Step 3: Cross multiply
    90,047.34x = 124,274.95 × 51,808.56
  4. Step 4: Simplify right side
    90,047.34x = 6,438,505,608.02
  5. Step 5: Solve for x
    x = 6,438,505,608.02/90,047.34
  6. Step 6: Final answer
    x = 71,501.34

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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.