Home / 60,387.07-90,173.95-49,315.72

Finding the Fourth Proportional to 60,387.07, 90,173.95 and 49,315.72

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Solution

The fourth proportional to 60,387.07, 90,173.95 and 49,315.72 is: 73,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,387.07 : 90,173.95 = 49,315.72 : x
  2. Step 2: Convert to fraction form
    60,387.07/90,173.95 = 49,315.72/x
  3. Step 3: Cross multiply
    60,387.07x = 90,173.95 × 49,315.72
  4. Step 4: Simplify right side
    60,387.07x = 4,446,993,003.56
  5. Step 5: Solve for x
    x = 4,446,993,003.56/60,387.07
  6. Step 6: Final answer
    x = 73,641.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.