Home / 51,725.29-77,621.96-28,368.13

Finding the Fourth Proportional to 51,725.29, 77,621.96 and 28,368.13

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Solution

The fourth proportional to 51,725.29, 77,621.96 and 28,368.13 is: 42,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,725.29 : 77,621.96 = 28,368.13 : x
  2. Step 2: Convert to fraction form
    51,725.29/77,621.96 = 28,368.13/x
  3. Step 3: Cross multiply
    51,725.29x = 77,621.96 × 28,368.13
  4. Step 4: Simplify right side
    51,725.29x = 2,201,989,852.13
  5. Step 5: Solve for x
    x = 2,201,989,852.13/51,725.29
  6. Step 6: Final answer
    x = 42,570.86

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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.