Home / 75,112.71-103,655.61-46,818.42

Finding the Fourth Proportional to 75,112.71, 103,655.61 and 46,818.42

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Solution

The fourth proportional to 75,112.71, 103,655.61 and 46,818.42 is: 64,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,112.71 : 103,655.61 = 46,818.42 : x
  2. Step 2: Convert to fraction form
    75,112.71/103,655.61 = 46,818.42/x
  3. Step 3: Cross multiply
    75,112.71x = 103,655.61 × 46,818.42
  4. Step 4: Simplify right side
    75,112.71x = 4,852,991,884.34
  5. Step 5: Solve for x
    x = 4,852,991,884.34/75,112.71
  6. Step 6: Final answer
    x = 64,609.46

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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.