Home / 75,673.06-104,428.80-43,860.40

Finding the Fourth Proportional to 75,673.06, 104,428.80 and 43,860.40

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Solution

The fourth proportional to 75,673.06, 104,428.80 and 43,860.40 is: 60,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,673.06 : 104,428.80 = 43,860.40 : x
  2. Step 2: Convert to fraction form
    75,673.06/104,428.80 = 43,860.40/x
  3. Step 3: Cross multiply
    75,673.06x = 104,428.80 × 43,860.40
  4. Step 4: Simplify right side
    75,673.06x = 4,580,288,939.52
  5. Step 5: Solve for x
    x = 4,580,288,939.52/75,673.06
  6. Step 6: Final answer
    x = 60,527.34

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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.