Home / 76,246.16-105,219.60-42,712.16

Finding the Fourth Proportional to 76,246.16, 105,219.60 and 42,712.16

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Solution

The fourth proportional to 76,246.16, 105,219.60 and 42,712.16 is: 58,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,246.16 : 105,219.60 = 42,712.16 : x
  2. Step 2: Convert to fraction form
    76,246.16/105,219.60 = 42,712.16/x
  3. Step 3: Cross multiply
    76,246.16x = 105,219.60 × 42,712.16
  4. Step 4: Simplify right side
    76,246.16x = 4,494,156,390.34
  5. Step 5: Solve for x
    x = 4,494,156,390.34/76,246.16
  6. Step 6: Final answer
    x = 58,942.72

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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.