Home / 70,949.90-97,911.57-39,117.98

Finding the Fourth Proportional to 70,949.90, 97,911.57 and 39,117.98

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Solution

The fourth proportional to 70,949.90, 97,911.57 and 39,117.98 is: 53,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.90 : 97,911.57 = 39,117.98 : x
  2. Step 2: Convert to fraction form
    70,949.90/97,911.57 = 39,117.98/x
  3. Step 3: Cross multiply
    70,949.90x = 97,911.57 × 39,117.98
  4. Step 4: Simplify right side
    70,949.90x = 3,830,102,837.03
  5. Step 5: Solve for x
    x = 3,830,102,837.03/70,949.90
  6. Step 6: Final answer
    x = 53,983.20

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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.