Home / 74,109.96-102,281.94-45,446.76

Finding the Fourth Proportional to 74,109.96, 102,281.94 and 45,446.76

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Solution

The fourth proportional to 74,109.96, 102,281.94 and 45,446.76 is: 62,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,109.96 : 102,281.94 = 45,446.76 : x
  2. Step 2: Convert to fraction form
    74,109.96/102,281.94 = 45,446.76/x
  3. Step 3: Cross multiply
    74,109.96x = 102,281.94 × 45,446.76
  4. Step 4: Simplify right side
    74,109.96x = 4,648,382,779.51
  5. Step 5: Solve for x
    x = 4,648,382,779.51/74,109.96
  6. Step 6: Final answer
    x = 62,722.78

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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.