Home / 77,402.64-116,114.29-30,644.58

Finding the Fourth Proportional to 77,402.64, 116,114.29 and 30,644.58

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Solution

The fourth proportional to 77,402.64, 116,114.29 and 30,644.58 is: 45,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,402.64 : 116,114.29 = 30,644.58 : x
  2. Step 2: Convert to fraction form
    77,402.64/116,114.29 = 30,644.58/x
  3. Step 3: Cross multiply
    77,402.64x = 116,114.29 × 30,644.58
  4. Step 4: Simplify right side
    77,402.64x = 3,558,273,649.05
  5. Step 5: Solve for x
    x = 3,558,273,649.05/77,402.64
  6. Step 6: Final answer
    x = 45,970.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.