Home / 70,274.31-105,364.75-38,699.24

Finding the Fourth Proportional to 70,274.31, 105,364.75 and 38,699.24

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Solution

The fourth proportional to 70,274.31, 105,364.75 and 38,699.24 is: 58,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,274.31 : 105,364.75 = 38,699.24 : x
  2. Step 2: Convert to fraction form
    70,274.31/105,364.75 = 38,699.24/x
  3. Step 3: Cross multiply
    70,274.31x = 105,364.75 × 38,699.24
  4. Step 4: Simplify right side
    70,274.31x = 4,077,535,747.79
  5. Step 5: Solve for x
    x = 4,077,535,747.79/70,274.31
  6. Step 6: Final answer
    x = 58,023.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.