Home / 68,547.72-94,557.86-39,864.24

Finding the Fourth Proportional to 68,547.72, 94,557.86 and 39,864.24

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Solution

The fourth proportional to 68,547.72, 94,557.86 and 39,864.24 is: 54,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,547.72 : 94,557.86 = 39,864.24 : x
  2. Step 2: Convert to fraction form
    68,547.72/94,557.86 = 39,864.24/x
  3. Step 3: Cross multiply
    68,547.72x = 94,557.86 × 39,864.24
  4. Step 4: Simplify right side
    68,547.72x = 3,769,477,224.93
  5. Step 5: Solve for x
    x = 3,769,477,224.93/68,547.72
  6. Step 6: Final answer
    x = 54,990.56

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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.