Home / 113,445.52-170,155.38-30,346

Finding the Fourth Proportional to 113,445.52, 170,155.38 and 30,346

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Solution

The fourth proportional to 113,445.52, 170,155.38 and 30,346 is: 45,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,445.52 : 170,155.38 = 30,346 : x
  2. Step 2: Convert to fraction form
    113,445.52/170,155.38 = 30,346/x
  3. Step 3: Cross multiply
    113,445.52x = 170,155.38 × 30,346
  4. Step 4: Simplify right side
    113,445.52x = 5,163,535,161.48
  5. Step 5: Solve for x
    x = 5,163,535,161.48/113,445.52
  6. Step 6: Final answer
    x = 45,515.55

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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.