Home / 70,928.34-97,881.39-39,097.23

Finding the Fourth Proportional to 70,928.34, 97,881.39 and 39,097.23

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Solution

The fourth proportional to 70,928.34, 97,881.39 and 39,097.23 is: 53,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,928.34 : 97,881.39 = 39,097.23 : x
  2. Step 2: Convert to fraction form
    70,928.34/97,881.39 = 39,097.23/x
  3. Step 3: Cross multiply
    70,928.34x = 97,881.39 × 39,097.23
  4. Step 4: Simplify right side
    70,928.34x = 3,826,891,217.55
  5. Step 5: Solve for x
    x = 3,826,891,217.55/70,928.34
  6. Step 6: Final answer
    x = 53,954.33

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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.