Home / 76,098.18-105,057.72-45,891.16

Finding the Fourth Proportional to 76,098.18, 105,057.72 and 45,891.16

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Solution

The fourth proportional to 76,098.18, 105,057.72 and 45,891.16 is: 63,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,098.18 : 105,057.72 = 45,891.16 : x
  2. Step 2: Convert to fraction form
    76,098.18/105,057.72 = 45,891.16/x
  3. Step 3: Cross multiply
    76,098.18x = 105,057.72 × 45,891.16
  4. Step 4: Simplify right side
    76,098.18x = 4,821,220,637.76
  5. Step 5: Solve for x
    x = 4,821,220,637.76/76,098.18
  6. Step 6: Final answer
    x = 63,355.27

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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.