Home / 83,649.03-115,434.23-45,923.01

Finding the Fourth Proportional to 83,649.03, 115,434.23 and 45,923.01

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Solution

The fourth proportional to 83,649.03, 115,434.23 and 45,923.01 is: 63,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,649.03 : 115,434.23 = 45,923.01 : x
  2. Step 2: Convert to fraction form
    83,649.03/115,434.23 = 45,923.01/x
  3. Step 3: Cross multiply
    83,649.03x = 115,434.23 × 45,923.01
  4. Step 4: Simplify right side
    83,649.03x = 5,301,087,069.02
  5. Step 5: Solve for x
    x = 5,301,087,069.02/83,649.03
  6. Step 6: Final answer
    x = 63,372.97

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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.