Home / 90,827.92-125,271.52-59,007.07

Finding the Fourth Proportional to 90,827.92, 125,271.52 and 59,007.07

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Solution

The fourth proportional to 90,827.92, 125,271.52 and 59,007.07 is: 81,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,827.92 : 125,271.52 = 59,007.07 : x
  2. Step 2: Convert to fraction form
    90,827.92/125,271.52 = 59,007.07/x
  3. Step 3: Cross multiply
    90,827.92x = 125,271.52 × 59,007.07
  4. Step 4: Simplify right side
    90,827.92x = 7,391,905,349.65
  5. Step 5: Solve for x
    x = 7,391,905,349.65/90,827.92
  6. Step 6: Final answer
    x = 81,383.62

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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.