Home / 70,976.34-97,947.29-39,145.25

Finding the Fourth Proportional to 70,976.34, 97,947.29 and 39,145.25

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Solution

The fourth proportional to 70,976.34, 97,947.29 and 39,145.25 is: 54,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,976.34 : 97,947.29 = 39,145.25 : x
  2. Step 2: Convert to fraction form
    70,976.34/97,947.29 = 39,145.25/x
  3. Step 3: Cross multiply
    70,976.34x = 97,947.29 × 39,145.25
  4. Step 4: Simplify right side
    70,976.34x = 3,834,170,468.41
  5. Step 5: Solve for x
    x = 3,834,170,468.41/70,976.34
  6. Step 6: Final answer
    x = 54,020.40

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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.