Home / 51,390.64-77,084.76-23,688.64

Finding the Fourth Proportional to 51,390.64, 77,084.76 and 23,688.64

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Solution

The fourth proportional to 51,390.64, 77,084.76 and 23,688.64 is: 35,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,390.64 : 77,084.76 = 23,688.64 : x
  2. Step 2: Convert to fraction form
    51,390.64/77,084.76 = 23,688.64/x
  3. Step 3: Cross multiply
    51,390.64x = 77,084.76 × 23,688.64
  4. Step 4: Simplify right side
    51,390.64x = 1,826,033,129.13
  5. Step 5: Solve for x
    x = 1,826,033,129.13/51,390.64
  6. Step 6: Final answer
    x = 35,532.41

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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.