Home / 53,898.21-74,373.84-31,244.31

Finding the Fourth Proportional to 53,898.21, 74,373.84 and 31,244.31

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Solution

The fourth proportional to 53,898.21, 74,373.84 and 31,244.31 is: 43,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,898.21 : 74,373.84 = 31,244.31 : x
  2. Step 2: Convert to fraction form
    53,898.21/74,373.84 = 31,244.31/x
  3. Step 3: Cross multiply
    53,898.21x = 74,373.84 × 31,244.31
  4. Step 4: Simplify right side
    53,898.21x = 2,323,759,312.85
  5. Step 5: Solve for x
    x = 2,323,759,312.85/53,898.21
  6. Step 6: Final answer
    x = 43,113.85

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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.