Home / 68,355.25-94,333.89-40,070.05

Finding the Fourth Proportional to 68,355.25, 94,333.89 and 40,070.05

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Solution

The fourth proportional to 68,355.25, 94,333.89 and 40,070.05 is: 55,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,355.25 : 94,333.89 = 40,070.05 : x
  2. Step 2: Convert to fraction form
    68,355.25/94,333.89 = 40,070.05/x
  3. Step 3: Cross multiply
    68,355.25x = 94,333.89 × 40,070.05
  4. Step 4: Simplify right side
    68,355.25x = 3,779,963,688.99
  5. Step 5: Solve for x
    x = 3,779,963,688.99/68,355.25
  6. Step 6: Final answer
    x = 55,298.81

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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.