Home / 70,941.27-97,898.90-39,110.70

Finding the Fourth Proportional to 70,941.27, 97,898.90 and 39,110.70

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Solution

The fourth proportional to 70,941.27, 97,898.90 and 39,110.70 is: 53,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.27 : 97,898.90 = 39,110.70 : x
  2. Step 2: Convert to fraction form
    70,941.27/97,898.90 = 39,110.70/x
  3. Step 3: Cross multiply
    70,941.27x = 97,898.90 × 39,110.70
  4. Step 4: Simplify right side
    70,941.27x = 3,828,894,312.68
  5. Step 5: Solve for x
    x = 3,828,894,312.68/70,941.27
  6. Step 6: Final answer
    x = 53,972.73

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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.