Home / 70,837.88-97,756.27-39,006.70

Finding the Fourth Proportional to 70,837.88, 97,756.27 and 39,006.70

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Solution

The fourth proportional to 70,837.88, 97,756.27 and 39,006.70 is: 53,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,837.88 : 97,756.27 = 39,006.70 : x
  2. Step 2: Convert to fraction form
    70,837.88/97,756.27 = 39,006.70/x
  3. Step 3: Cross multiply
    70,837.88x = 97,756.27 × 39,006.70
  4. Step 4: Simplify right side
    70,837.88x = 3,813,149,155.10
  5. Step 5: Solve for x
    x = 3,813,149,155.10/70,837.88
  6. Step 6: Final answer
    x = 53,829.24

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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.