Home / 70,916.36-97,862.26-39,084.68

Finding the Fourth Proportional to 70,916.36, 97,862.26 and 39,084.68

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Solution

The fourth proportional to 70,916.36, 97,862.26 and 39,084.68 is: 53,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,916.36 : 97,862.26 = 39,084.68 : x
  2. Step 2: Convert to fraction form
    70,916.36/97,862.26 = 39,084.68/x
  3. Step 3: Cross multiply
    70,916.36x = 97,862.26 × 39,084.68
  4. Step 4: Simplify right side
    70,916.36x = 3,824,915,116.18
  5. Step 5: Solve for x
    x = 3,824,915,116.18/70,916.36
  6. Step 6: Final answer
    x = 53,935.58

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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.