Home / 67,975.29-101,946.51-28,521.81

Finding the Fourth Proportional to 67,975.29, 101,946.51 and 28,521.81

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Solution

The fourth proportional to 67,975.29, 101,946.51 and 28,521.81 is: 42,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,975.29 : 101,946.51 = 28,521.81 : x
  2. Step 2: Convert to fraction form
    67,975.29/101,946.51 = 28,521.81/x
  3. Step 3: Cross multiply
    67,975.29x = 101,946.51 × 28,521.81
  4. Step 4: Simplify right side
    67,975.29x = 2,907,698,988.38
  5. Step 5: Solve for x
    x = 2,907,698,988.38/67,975.29
  6. Step 6: Final answer
    x = 42,775.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.