Home / 75,803.13-104,650.65-53,211.42

Finding the Fourth Proportional to 75,803.13, 104,650.65 and 53,211.42

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Solution

The fourth proportional to 75,803.13, 104,650.65 and 53,211.42 is: 73,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,803.13 : 104,650.65 = 53,211.42 : x
  2. Step 2: Convert to fraction form
    75,803.13/104,650.65 = 53,211.42/x
  3. Step 3: Cross multiply
    75,803.13x = 104,650.65 × 53,211.42
  4. Step 4: Simplify right side
    75,803.13x = 5,568,609,690.42
  5. Step 5: Solve for x
    x = 5,568,609,690.42/75,803.13
  6. Step 6: Final answer
    x = 73,461.47

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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.