Home / 103,161.04-142,387.56-62,897.01

Finding the Fourth Proportional to 103,161.04, 142,387.56 and 62,897.01

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Solution

The fourth proportional to 103,161.04, 142,387.56 and 62,897.01 is: 86,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,161.04 : 142,387.56 = 62,897.01 : x
  2. Step 2: Convert to fraction form
    103,161.04/142,387.56 = 62,897.01/x
  3. Step 3: Cross multiply
    103,161.04x = 142,387.56 × 62,897.01
  4. Step 4: Simplify right side
    103,161.04x = 8,955,751,073.26
  5. Step 5: Solve for x
    x = 8,955,751,073.26/103,161.04
  6. Step 6: Final answer
    x = 86,813.31

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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.