Home / 68,740.18-94,864.08-38,525.74

Finding the Fourth Proportional to 68,740.18, 94,864.08 and 38,525.74

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Solution

The fourth proportional to 68,740.18, 94,864.08 and 38,525.74 is: 53,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,740.18 : 94,864.08 = 38,525.74 : x
  2. Step 2: Convert to fraction form
    68,740.18/94,864.08 = 38,525.74/x
  3. Step 3: Cross multiply
    68,740.18x = 94,864.08 × 38,525.74
  4. Step 4: Simplify right side
    68,740.18x = 3,654,708,881.42
  5. Step 5: Solve for x
    x = 3,654,708,881.42/68,740.18
  6. Step 6: Final answer
    x = 53,167.00

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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.