Home / 68,166.45-94,068.81-39,490.02

Finding the Fourth Proportional to 68,166.45, 94,068.81 and 39,490.02

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Solution

The fourth proportional to 68,166.45, 94,068.81 and 39,490.02 is: 54,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,166.45 : 94,068.81 = 39,490.02 : x
  2. Step 2: Convert to fraction form
    68,166.45/94,068.81 = 39,490.02/x
  3. Step 3: Cross multiply
    68,166.45x = 94,068.81 × 39,490.02
  4. Step 4: Simplify right side
    68,166.45x = 3,714,779,188.28
  5. Step 5: Solve for x
    x = 3,714,779,188.28/68,166.45
  6. Step 6: Final answer
    x = 54,495.71

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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.