Home / 60,738.71-91,108.17-31,140.36

Finding the Fourth Proportional to 60,738.71, 91,108.17 and 31,140.36

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Solution

The fourth proportional to 60,738.71, 91,108.17 and 31,140.36 is: 46,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,738.71 : 91,108.17 = 31,140.36 : x
  2. Step 2: Convert to fraction form
    60,738.71/91,108.17 = 31,140.36/x
  3. Step 3: Cross multiply
    60,738.71x = 91,108.17 × 31,140.36
  4. Step 4: Simplify right side
    60,738.71x = 2,837,141,212.74
  5. Step 5: Solve for x
    x = 2,837,141,212.74/60,738.71
  6. Step 6: Final answer
    x = 46,710.60

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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.