Home / 68,386.77-94,389.48-40,101.57

Finding the Fourth Proportional to 68,386.77, 94,389.48 and 40,101.57

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Solution

The fourth proportional to 68,386.77, 94,389.48 and 40,101.57 is: 55,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.77 : 94,389.48 = 40,101.57 : x
  2. Step 2: Convert to fraction form
    68,386.77/94,389.48 = 40,101.57/x
  3. Step 3: Cross multiply
    68,386.77x = 94,389.48 × 40,101.57
  4. Step 4: Simplify right side
    68,386.77x = 3,785,166,339.48
  5. Step 5: Solve for x
    x = 3,785,166,339.48/68,386.77
  6. Step 6: Final answer
    x = 55,349.39

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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.