Home / 68,828.30-94,973.95-38,612.47

Finding the Fourth Proportional to 68,828.30, 94,973.95 and 38,612.47

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Solution

The fourth proportional to 68,828.30, 94,973.95 and 38,612.47 is: 53,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.30 : 94,973.95 = 38,612.47 : x
  2. Step 2: Convert to fraction form
    68,828.30/94,973.95 = 38,612.47/x
  3. Step 3: Cross multiply
    68,828.30x = 94,973.95 × 38,612.47
  4. Step 4: Simplify right side
    68,828.30x = 3,667,178,795.16
  5. Step 5: Solve for x
    x = 3,667,178,795.16/68,828.30
  6. Step 6: Final answer
    x = 53,280.10

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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.