Home / 73,045.70-100,798.63-40,778.24

Finding the Fourth Proportional to 73,045.70, 100,798.63 and 40,778.24

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Solution

The fourth proportional to 73,045.70, 100,798.63 and 40,778.24 is: 56,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,045.70 : 100,798.63 = 40,778.24 : x
  2. Step 2: Convert to fraction form
    73,045.70/100,798.63 = 40,778.24/x
  3. Step 3: Cross multiply
    73,045.70x = 100,798.63 × 40,778.24
  4. Step 4: Simplify right side
    73,045.70x = 4,110,390,119.87
  5. Step 5: Solve for x
    x = 4,110,390,119.87/73,045.70
  6. Step 6: Final answer
    x = 56,271.49

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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.