Home / 70,834.31-97,752-39,004.35

Finding the Fourth Proportional to 70,834.31, 97,752 and 39,004.35

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Solution

The fourth proportional to 70,834.31, 97,752 and 39,004.35 is: 53,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,834.31 : 97,752 = 39,004.35 : x
  2. Step 2: Convert to fraction form
    70,834.31/97,752 = 39,004.35/x
  3. Step 3: Cross multiply
    70,834.31x = 97,752 × 39,004.35
  4. Step 4: Simplify right side
    70,834.31x = 3,812,753,221.20
  5. Step 5: Solve for x
    x = 3,812,753,221.20/70,834.31
  6. Step 6: Final answer
    x = 53,826.37

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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.