Home / 53,931.00-74,430.05-40,295.39

Finding the Fourth Proportional to 53,931.00, 74,430.05 and 40,295.39

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Solution

The fourth proportional to 53,931.00, 74,430.05 and 40,295.39 is: 55,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.00 : 74,430.05 = 40,295.39 : x
  2. Step 2: Convert to fraction form
    53,931.00/74,430.05 = 40,295.39/x
  3. Step 3: Cross multiply
    53,931.00x = 74,430.05 × 40,295.39
  4. Step 4: Simplify right side
    53,931.00x = 2,999,187,520.32
  5. Step 5: Solve for x
    x = 2,999,187,520.32/53,931.00
  6. Step 6: Final answer
    x = 55,611.57

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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.