Home / 68,539.79-94,545.47-40,240.01

Finding the Fourth Proportional to 68,539.79, 94,545.47 and 40,240.01

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Solution

The fourth proportional to 68,539.79, 94,545.47 and 40,240.01 is: 55,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,539.79 : 94,545.47 = 40,240.01 : x
  2. Step 2: Convert to fraction form
    68,539.79/94,545.47 = 40,240.01/x
  3. Step 3: Cross multiply
    68,539.79x = 94,545.47 × 40,240.01
  4. Step 4: Simplify right side
    68,539.79x = 3,804,509,984.33
  5. Step 5: Solve for x
    x = 3,804,509,984.33/68,539.79
  6. Step 6: Final answer
    x = 55,508.05

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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.