Home / 74,077.74-102,226.50-40,085.46

Finding the Fourth Proportional to 74,077.74, 102,226.50 and 40,085.46

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Solution

The fourth proportional to 74,077.74, 102,226.50 and 40,085.46 is: 55,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,077.74 : 102,226.50 = 40,085.46 : x
  2. Step 2: Convert to fraction form
    74,077.74/102,226.50 = 40,085.46/x
  3. Step 3: Cross multiply
    74,077.74x = 102,226.50 × 40,085.46
  4. Step 4: Simplify right side
    74,077.74x = 4,097,796,276.69
  5. Step 5: Solve for x
    x = 4,097,796,276.69/74,077.74
  6. Step 6: Final answer
    x = 55,317.51

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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.