Home / 76,778.34-106,019.52-48,146.13

Finding the Fourth Proportional to 76,778.34, 106,019.52 and 48,146.13

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Solution

The fourth proportional to 76,778.34, 106,019.52 and 48,146.13 is: 66,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,778.34 : 106,019.52 = 48,146.13 : x
  2. Step 2: Convert to fraction form
    76,778.34/106,019.52 = 48,146.13/x
  3. Step 3: Cross multiply
    76,778.34x = 106,019.52 × 48,146.13
  4. Step 4: Simplify right side
    76,778.34x = 5,104,429,592.46
  5. Step 5: Solve for x
    x = 5,104,429,592.46/76,778.34
  6. Step 6: Final answer
    x = 66,482.68

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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.