Home / 77,024.58-115,441.44-43,643.52

Finding the Fourth Proportional to 77,024.58, 115,441.44 and 43,643.52

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Solution

The fourth proportional to 77,024.58, 115,441.44 and 43,643.52 is: 65,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,024.58 : 115,441.44 = 43,643.52 : x
  2. Step 2: Convert to fraction form
    77,024.58/115,441.44 = 43,643.52/x
  3. Step 3: Cross multiply
    77,024.58x = 115,441.44 × 43,643.52
  4. Step 4: Simplify right side
    77,024.58x = 5,038,270,795.47
  5. Step 5: Solve for x
    x = 5,038,270,795.47/77,024.58
  6. Step 6: Final answer
    x = 65,411.21

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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.