Home / 70,948.86-97,910.10-39,118.92

Finding the Fourth Proportional to 70,948.86, 97,910.10 and 39,118.92

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Solution

The fourth proportional to 70,948.86, 97,910.10 and 39,118.92 is: 53,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,948.86 : 97,910.10 = 39,118.92 : x
  2. Step 2: Convert to fraction form
    70,948.86/97,910.10 = 39,118.92/x
  3. Step 3: Cross multiply
    70,948.86x = 97,910.10 × 39,118.92
  4. Step 4: Simplify right side
    70,948.86x = 3,830,137,369.09
  5. Step 5: Solve for x
    x = 3,830,137,369.09/70,948.86
  6. Step 6: Final answer
    x = 53,984.48

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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.