Home / 70,913.06-97,862.28-39,083.12

Finding the Fourth Proportional to 70,913.06, 97,862.28 and 39,083.12

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Solution

The fourth proportional to 70,913.06, 97,862.28 and 39,083.12 is: 53,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,913.06 : 97,862.28 = 39,083.12 : x
  2. Step 2: Convert to fraction form
    70,913.06/97,862.28 = 39,083.12/x
  3. Step 3: Cross multiply
    70,913.06x = 97,862.28 × 39,083.12
  4. Step 4: Simplify right side
    70,913.06x = 3,824,763,232.71
  5. Step 5: Solve for x
    x = 3,824,763,232.71/70,913.06
  6. Step 6: Final answer
    x = 53,935.95

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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.