Home / 65,070.37-89,762.39-39,584.53

Finding the Fourth Proportional to 65,070.37, 89,762.39 and 39,584.53

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Solution

The fourth proportional to 65,070.37, 89,762.39 and 39,584.53 is: 54,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,070.37 : 89,762.39 = 39,584.53 : x
  2. Step 2: Convert to fraction form
    65,070.37/89,762.39 = 39,584.53/x
  3. Step 3: Cross multiply
    65,070.37x = 89,762.39 × 39,584.53
  4. Step 4: Simplify right side
    65,070.37x = 3,553,201,821.90
  5. Step 5: Solve for x
    x = 3,553,201,821.90/65,070.37
  6. Step 6: Final answer
    x = 54,605.53

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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.