Home / 68,641.09-94,705.95-47,137.30

Finding the Fourth Proportional to 68,641.09, 94,705.95 and 47,137.30

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Solution

The fourth proportional to 68,641.09, 94,705.95 and 47,137.30 is: 65,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,641.09 : 94,705.95 = 47,137.30 : x
  2. Step 2: Convert to fraction form
    68,641.09/94,705.95 = 47,137.30/x
  3. Step 3: Cross multiply
    68,641.09x = 94,705.95 × 47,137.30
  4. Step 4: Simplify right side
    68,641.09x = 4,464,182,776.94
  5. Step 5: Solve for x
    x = 4,464,182,776.94/68,641.09
  6. Step 6: Final answer
    x = 65,036.60

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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.