Home / 51,416.72-77,113.56-14,483.60

Finding the Fourth Proportional to 51,416.72, 77,113.56 and 14,483.60

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Solution

The fourth proportional to 51,416.72, 77,113.56 and 14,483.60 is: 21,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416.72 : 77,113.56 = 14,483.60 : x
  2. Step 2: Convert to fraction form
    51,416.72/77,113.56 = 14,483.60/x
  3. Step 3: Cross multiply
    51,416.72x = 77,113.56 × 14,483.60
  4. Step 4: Simplify right side
    51,416.72x = 1,116,881,957.62
  5. Step 5: Solve for x
    x = 1,116,881,957.62/51,416.72
  6. Step 6: Final answer
    x = 21,722.15

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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.