Home / 70,946.42-97,910.57-39,118.28

Finding the Fourth Proportional to 70,946.42, 97,910.57 and 39,118.28

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Solution

The fourth proportional to 70,946.42, 97,910.57 and 39,118.28 is: 53,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.42 : 97,910.57 = 39,118.28 : x
  2. Step 2: Convert to fraction form
    70,946.42/97,910.57 = 39,118.28/x
  3. Step 3: Cross multiply
    70,946.42x = 97,910.57 × 39,118.28
  4. Step 4: Simplify right side
    70,946.42x = 3,830,092,700.46
  5. Step 5: Solve for x
    x = 3,830,092,700.46/70,946.42
  6. Step 6: Final answer
    x = 53,985.71

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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.