Home / 48,531.42-67,009.86-47,756.40

Finding the Fourth Proportional to 48,531.42, 67,009.86 and 47,756.40

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Solution

The fourth proportional to 48,531.42, 67,009.86 and 47,756.40 is: 65,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,531.42 : 67,009.86 = 47,756.40 : x
  2. Step 2: Convert to fraction form
    48,531.42/67,009.86 = 47,756.40/x
  3. Step 3: Cross multiply
    48,531.42x = 67,009.86 × 47,756.40
  4. Step 4: Simplify right side
    48,531.42x = 3,200,149,678.10
  5. Step 5: Solve for x
    x = 3,200,149,678.10/48,531.42
  6. Step 6: Final answer
    x = 65,939.75

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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.