Home / 61,272.30-91,908.45-40,277.10

Finding the Fourth Proportional to 61,272.30, 91,908.45 and 40,277.10

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Solution

The fourth proportional to 61,272.30, 91,908.45 and 40,277.10 is: 60,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,272.30 : 91,908.45 = 40,277.10 : x
  2. Step 2: Convert to fraction form
    61,272.30/91,908.45 = 40,277.10/x
  3. Step 3: Cross multiply
    61,272.30x = 91,908.45 × 40,277.10
  4. Step 4: Simplify right side
    61,272.30x = 3,701,805,831.50
  5. Step 5: Solve for x
    x = 3,701,805,831.50/61,272.30
  6. Step 6: Final answer
    x = 60,415.65

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1.5x scale

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.