Home / 70,942.08-97,899.52-39,110.96

Finding the Fourth Proportional to 70,942.08, 97,899.52 and 39,110.96

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Solution

The fourth proportional to 70,942.08, 97,899.52 and 39,110.96 is: 53,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942.08 : 97,899.52 = 39,110.96 : x
  2. Step 2: Convert to fraction form
    70,942.08/97,899.52 = 39,110.96/x
  3. Step 3: Cross multiply
    70,942.08x = 97,899.52 × 39,110.96
  4. Step 4: Simplify right side
    70,942.08x = 3,828,944,210.74
  5. Step 5: Solve for x
    x = 3,828,944,210.74/70,942.08
  6. Step 6: Final answer
    x = 53,972.82

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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.