Home / 75,461.19-113,191.73-19,301.40

Finding the Fourth Proportional to 75,461.19, 113,191.73 and 19,301.40

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Solution

The fourth proportional to 75,461.19, 113,191.73 and 19,301.40 is: 28,952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,461.19 : 113,191.73 = 19,301.40 : x
  2. Step 2: Convert to fraction form
    75,461.19/113,191.73 = 19,301.40/x
  3. Step 3: Cross multiply
    75,461.19x = 113,191.73 × 19,301.40
  4. Step 4: Simplify right side
    75,461.19x = 2,184,758,760.92
  5. Step 5: Solve for x
    x = 2,184,758,760.92/75,461.19
  6. Step 6: Final answer
    x = 28,952.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.