Home / 77,376.34-116,064.54-51,074.93

Finding the Fourth Proportional to 77,376.34, 116,064.54 and 51,074.93

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Solution

The fourth proportional to 77,376.34, 116,064.54 and 51,074.93 is: 76,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,376.34 : 116,064.54 = 51,074.93 : x
  2. Step 2: Convert to fraction form
    77,376.34/116,064.54 = 51,074.93/x
  3. Step 3: Cross multiply
    77,376.34x = 116,064.54 × 51,074.93
  4. Step 4: Simplify right side
    77,376.34x = 5,927,987,420.28
  5. Step 5: Solve for x
    x = 5,927,987,420.28/77,376.34
  6. Step 6: Final answer
    x = 76,612.41

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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.