Home / 53,973.51-80,951.15-14,521.85

Finding the Fourth Proportional to 53,973.51, 80,951.15 and 14,521.85

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Solution

The fourth proportional to 53,973.51, 80,951.15 and 14,521.85 is: 21,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,973.51 : 80,951.15 = 14,521.85 : x
  2. Step 2: Convert to fraction form
    53,973.51/80,951.15 = 14,521.85/x
  3. Step 3: Cross multiply
    53,973.51x = 80,951.15 × 14,521.85
  4. Step 4: Simplify right side
    53,973.51x = 1,175,559,980.26
  5. Step 5: Solve for x
    x = 1,175,559,980.26/53,973.51
  6. Step 6: Final answer
    x = 21,780.31

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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.