Home / 62,138.47-85,762.22-36,643.30

Finding the Fourth Proportional to 62,138.47, 85,762.22 and 36,643.30

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Solution

The fourth proportional to 62,138.47, 85,762.22 and 36,643.30 is: 50,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.47 : 85,762.22 = 36,643.30 : x
  2. Step 2: Convert to fraction form
    62,138.47/85,762.22 = 36,643.30/x
  3. Step 3: Cross multiply
    62,138.47x = 85,762.22 × 36,643.30
  4. Step 4: Simplify right side
    62,138.47x = 3,142,610,756.13
  5. Step 5: Solve for x
    x = 3,142,610,756.13/62,138.47
  6. Step 6: Final answer
    x = 50,574.32

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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.