Home / 103,092.03-142,266.81-62,805.80

Finding the Fourth Proportional to 103,092.03, 142,266.81 and 62,805.80

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Solution

The fourth proportional to 103,092.03, 142,266.81 and 62,805.80 is: 86,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,092.03 : 142,266.81 = 62,805.80 : x
  2. Step 2: Convert to fraction form
    103,092.03/142,266.81 = 62,805.80/x
  3. Step 3: Cross multiply
    103,092.03x = 142,266.81 × 62,805.80
  4. Step 4: Simplify right side
    103,092.03x = 8,935,180,815.50
  5. Step 5: Solve for x
    x = 8,935,180,815.50/103,092.03
  6. Step 6: Final answer
    x = 86,671.89

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1.5x scale

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.