Home / 105,225.10-145,174.62-59,891.74

Finding the Fourth Proportional to 105,225.10, 145,174.62 and 59,891.74

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Solution

The fourth proportional to 105,225.10, 145,174.62 and 59,891.74 is: 82,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,225.10 : 145,174.62 = 59,891.74 : x
  2. Step 2: Convert to fraction form
    105,225.10/145,174.62 = 59,891.74/x
  3. Step 3: Cross multiply
    105,225.10x = 145,174.62 × 59,891.74
  4. Step 4: Simplify right side
    105,225.10x = 8,694,760,595.64
  5. Step 5: Solve for x
    x = 8,694,760,595.64/105,225.10
  6. Step 6: Final answer
    x = 82,630.10

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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.