Home / 60,485.04-90,648.72-30,877.92

Finding the Fourth Proportional to 60,485.04, 90,648.72 and 30,877.92

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Solution

The fourth proportional to 60,485.04, 90,648.72 and 30,877.92 is: 46,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,485.04 : 90,648.72 = 30,877.92 : x
  2. Step 2: Convert to fraction form
    60,485.04/90,648.72 = 30,877.92/x
  3. Step 3: Cross multiply
    60,485.04x = 90,648.72 × 30,877.92
  4. Step 4: Simplify right side
    60,485.04x = 2,799,043,924.26
  5. Step 5: Solve for x
    x = 2,799,043,924.26/60,485.04
  6. Step 6: Final answer
    x = 46,276.63

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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.