Home / 82,935.84-124,428-26,774.64

Finding the Fourth Proportional to 82,935.84, 124,428 and 26,774.64

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Solution

The fourth proportional to 82,935.84, 124,428 and 26,774.64 is: 40,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,935.84 : 124,428 = 26,774.64 : x
  2. Step 2: Convert to fraction form
    82,935.84/124,428 = 26,774.64/x
  3. Step 3: Cross multiply
    82,935.84x = 124,428 × 26,774.64
  4. Step 4: Simplify right side
    82,935.84x = 3,331,514,905.92
  5. Step 5: Solve for x
    x = 3,331,514,905.92/82,935.84
  6. Step 6: Final answer
    x = 40,169.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.