Home / 70,917.12-97,860.95-39,085.94

Finding the Fourth Proportional to 70,917.12, 97,860.95 and 39,085.94

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Solution

The fourth proportional to 70,917.12, 97,860.95 and 39,085.94 is: 53,936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,917.12 : 97,860.95 = 39,085.94 : x
  2. Step 2: Convert to fraction form
    70,917.12/97,860.95 = 39,085.94/x
  3. Step 3: Cross multiply
    70,917.12x = 97,860.95 × 39,085.94
  4. Step 4: Simplify right side
    70,917.12x = 3,824,987,220.04
  5. Step 5: Solve for x
    x = 3,824,987,220.04/70,917.12
  6. Step 6: Final answer
    x = 53,936.02

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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.