Home / 76,246.19-105,216.70-42,256.13

Finding the Fourth Proportional to 76,246.19, 105,216.70 and 42,256.13

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Solution

The fourth proportional to 76,246.19, 105,216.70 and 42,256.13 is: 58,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,246.19 : 105,216.70 = 42,256.13 : x
  2. Step 2: Convert to fraction form
    76,246.19/105,216.70 = 42,256.13/x
  3. Step 3: Cross multiply
    76,246.19x = 105,216.70 × 42,256.13
  4. Step 4: Simplify right side
    76,246.19x = 4,446,050,553.37
  5. Step 5: Solve for x
    x = 4,446,050,553.37/76,246.19
  6. Step 6: Final answer
    x = 58,311.77

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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.