Home / 103,348.14-142,636.02-63,085.32

Finding the Fourth Proportional to 103,348.14, 142,636.02 and 63,085.32

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Solution

The fourth proportional to 103,348.14, 142,636.02 and 63,085.32 is: 87,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,348.14 : 142,636.02 = 63,085.32 : x
  2. Step 2: Convert to fraction form
    103,348.14/142,636.02 = 63,085.32/x
  3. Step 3: Cross multiply
    103,348.14x = 142,636.02 × 63,085.32
  4. Step 4: Simplify right side
    103,348.14x = 8,998,238,965.23
  5. Step 5: Solve for x
    x = 8,998,238,965.23/103,348.14
  6. Step 6: Final answer
    x = 87,067.26

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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.