Home / 70,916.63-97,865.16-39,084.80

Finding the Fourth Proportional to 70,916.63, 97,865.16 and 39,084.80

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Solution

The fourth proportional to 70,916.63, 97,865.16 and 39,084.80 is: 53,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,916.63 : 97,865.16 = 39,084.80 : x
  2. Step 2: Convert to fraction form
    70,916.63/97,865.16 = 39,084.80/x
  3. Step 3: Cross multiply
    70,916.63x = 97,865.16 × 39,084.80
  4. Step 4: Simplify right side
    70,916.63x = 3,825,040,205.57
  5. Step 5: Solve for x
    x = 3,825,040,205.57/70,916.63
  6. Step 6: Final answer
    x = 53,937.14

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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.