Home / 70,159.11-96,824.03-39,947.07

Finding the Fourth Proportional to 70,159.11, 96,824.03 and 39,947.07

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Solution

The fourth proportional to 70,159.11, 96,824.03 and 39,947.07 is: 55,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,159.11 : 96,824.03 = 39,947.07 : x
  2. Step 2: Convert to fraction form
    70,159.11/96,824.03 = 39,947.07/x
  3. Step 3: Cross multiply
    70,159.11x = 96,824.03 × 39,947.07
  4. Step 4: Simplify right side
    70,159.11x = 3,867,836,804.50
  5. Step 5: Solve for x
    x = 3,867,836,804.50/70,159.11
  6. Step 6: Final answer
    x = 55,129.50

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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.