Home / 53,116.80-79,638.30-23,518.50

Finding the Fourth Proportional to 53,116.80, 79,638.30 and 23,518.50

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Solution

The fourth proportional to 53,116.80, 79,638.30 and 23,518.50 is: 35,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.80 : 79,638.30 = 23,518.50 : x
  2. Step 2: Convert to fraction form
    53,116.80/79,638.30 = 23,518.50/x
  3. Step 3: Cross multiply
    53,116.80x = 79,638.30 × 23,518.50
  4. Step 4: Simplify right side
    53,116.80x = 1,872,973,358.55
  5. Step 5: Solve for x
    x = 1,872,973,358.55/53,116.80
  6. Step 6: Final answer
    x = 35,261.41

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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.