Home / 79,869.51-110,220.03-45,884.61

Finding the Fourth Proportional to 79,869.51, 110,220.03 and 45,884.61

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Solution

The fourth proportional to 79,869.51, 110,220.03 and 45,884.61 is: 63,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,869.51 : 110,220.03 = 45,884.61 : x
  2. Step 2: Convert to fraction form
    79,869.51/110,220.03 = 45,884.61/x
  3. Step 3: Cross multiply
    79,869.51x = 110,220.03 × 45,884.61
  4. Step 4: Simplify right side
    79,869.51x = 5,057,403,090.74
  5. Step 5: Solve for x
    x = 5,057,403,090.74/79,869.51
  6. Step 6: Final answer
    x = 63,320.82

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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.