Home / 76,045.22-104,892.98-48,778.16

Finding the Fourth Proportional to 76,045.22, 104,892.98 and 48,778.16

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Solution

The fourth proportional to 76,045.22, 104,892.98 and 48,778.16 is: 67,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,045.22 : 104,892.98 = 48,778.16 : x
  2. Step 2: Convert to fraction form
    76,045.22/104,892.98 = 48,778.16/x
  3. Step 3: Cross multiply
    76,045.22x = 104,892.98 × 48,778.16
  4. Step 4: Simplify right side
    76,045.22x = 5,116,486,561.32
  5. Step 5: Solve for x
    x = 5,116,486,561.32/76,045.22
  6. Step 6: Final answer
    x = 67,282.16

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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.