Home / 77,330.16-106,722.48-45,063.02

Finding the Fourth Proportional to 77,330.16, 106,722.48 and 45,063.02

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Solution

The fourth proportional to 77,330.16, 106,722.48 and 45,063.02 is: 62,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,330.16 : 106,722.48 = 45,063.02 : x
  2. Step 2: Convert to fraction form
    77,330.16/106,722.48 = 45,063.02/x
  3. Step 3: Cross multiply
    77,330.16x = 106,722.48 × 45,063.02
  4. Step 4: Simplify right side
    77,330.16x = 4,809,237,250.69
  5. Step 5: Solve for x
    x = 4,809,237,250.69/77,330.16
  6. Step 6: Final answer
    x = 62,190.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.