Home / 94,341.51-130,191.03-51,899.94

Finding the Fourth Proportional to 94,341.51, 130,191.03 and 51,899.94

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Solution

The fourth proportional to 94,341.51, 130,191.03 and 51,899.94 is: 71,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,341.51 : 130,191.03 = 51,899.94 : x
  2. Step 2: Convert to fraction form
    94,341.51/130,191.03 = 51,899.94/x
  3. Step 3: Cross multiply
    94,341.51x = 130,191.03 × 51,899.94
  4. Step 4: Simplify right side
    94,341.51x = 6,756,906,645.54
  5. Step 5: Solve for x
    x = 6,756,906,645.54/94,341.51
  6. Step 6: Final answer
    x = 71,621.78

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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.