Home / 63,135.47-87,159.71-46,120.61

Finding the Fourth Proportional to 63,135.47, 87,159.71 and 46,120.61

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Solution

The fourth proportional to 63,135.47, 87,159.71 and 46,120.61 is: 63,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,135.47 : 87,159.71 = 46,120.61 : x
  2. Step 2: Convert to fraction form
    63,135.47/87,159.71 = 46,120.61/x
  3. Step 3: Cross multiply
    63,135.47x = 87,159.71 × 46,120.61
  4. Step 4: Simplify right side
    63,135.47x = 4,019,858,762.02
  5. Step 5: Solve for x
    x = 4,019,858,762.02/63,135.47
  6. Step 6: Final answer
    x = 63,670.37

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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.