Home / 76,875.36-106,095.30-48,199.56

Finding the Fourth Proportional to 76,875.36, 106,095.30 and 48,199.56

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Solution

The fourth proportional to 76,875.36, 106,095.30 and 48,199.56 is: 66,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,875.36 : 106,095.30 = 48,199.56 : x
  2. Step 2: Convert to fraction form
    76,875.36/106,095.30 = 48,199.56/x
  3. Step 3: Cross multiply
    76,875.36x = 106,095.30 × 48,199.56
  4. Step 4: Simplify right side
    76,875.36x = 5,113,746,778.07
  5. Step 5: Solve for x
    x = 5,113,746,778.07/76,875.36
  6. Step 6: Final answer
    x = 66,519.97

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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.