Home / 55,909.36-77,136.04-37,973.28

Finding the Fourth Proportional to 55,909.36, 77,136.04 and 37,973.28

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Solution

The fourth proportional to 55,909.36, 77,136.04 and 37,973.28 is: 52,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,909.36 : 77,136.04 = 37,973.28 : x
  2. Step 2: Convert to fraction form
    55,909.36/77,136.04 = 37,973.28/x
  3. Step 3: Cross multiply
    55,909.36x = 77,136.04 × 37,973.28
  4. Step 4: Simplify right side
    55,909.36x = 2,929,108,445.01
  5. Step 5: Solve for x
    x = 2,929,108,445.01/55,909.36
  6. Step 6: Final answer
    x = 52,390.31

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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.