Home / 74,431.48-102,714.70-40,896.76

Finding the Fourth Proportional to 74,431.48, 102,714.70 and 40,896.76

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Solution

The fourth proportional to 74,431.48, 102,714.70 and 40,896.76 is: 56,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,431.48 : 102,714.70 = 40,896.76 : x
  2. Step 2: Convert to fraction form
    74,431.48/102,714.70 = 40,896.76/x
  3. Step 3: Cross multiply
    74,431.48x = 102,714.70 × 40,896.76
  4. Step 4: Simplify right side
    74,431.48x = 4,200,698,434.37
  5. Step 5: Solve for x
    x = 4,200,698,434.37/74,431.48
  6. Step 6: Final answer
    x = 56,437.12

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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.