Home / 73,071.18-100,838.25-39,537.18

Finding the Fourth Proportional to 73,071.18, 100,838.25 and 39,537.18

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Solution

The fourth proportional to 73,071.18, 100,838.25 and 39,537.18 is: 54,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071.18 : 100,838.25 = 39,537.18 : x
  2. Step 2: Convert to fraction form
    73,071.18/100,838.25 = 39,537.18/x
  3. Step 3: Cross multiply
    73,071.18x = 100,838.25 × 39,537.18
  4. Step 4: Simplify right side
    73,071.18x = 3,986,860,041.14
  5. Step 5: Solve for x
    x = 3,986,860,041.14/73,071.18
  6. Step 6: Final answer
    x = 54,561.32

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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.