Home / 79,985.08-110,400.76-45,997.28

Finding the Fourth Proportional to 79,985.08, 110,400.76 and 45,997.28

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Solution

The fourth proportional to 79,985.08, 110,400.76 and 45,997.28 is: 63,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,985.08 : 110,400.76 = 45,997.28 : x
  2. Step 2: Convert to fraction form
    79,985.08/110,400.76 = 45,997.28/x
  3. Step 3: Cross multiply
    79,985.08x = 110,400.76 × 45,997.28
  4. Step 4: Simplify right side
    79,985.08x = 5,078,134,669.93
  5. Step 5: Solve for x
    x = 5,078,134,669.93/79,985.08
  6. Step 6: Final answer
    x = 63,488.52

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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.