Home / 49,877.70-74,707.20-43,316.70

Finding the Fourth Proportional to 49,877.70, 74,707.20 and 43,316.70

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Solution

The fourth proportional to 49,877.70, 74,707.20 and 43,316.70 is: 64,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,877.70 : 74,707.20 = 43,316.70 : x
  2. Step 2: Convert to fraction form
    49,877.70/74,707.20 = 43,316.70/x
  3. Step 3: Cross multiply
    49,877.70x = 74,707.20 × 43,316.70
  4. Step 4: Simplify right side
    49,877.70x = 3,236,069,370.24
  5. Step 5: Solve for x
    x = 3,236,069,370.24/49,877.70
  6. Step 6: Final answer
    x = 64,880.08

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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.