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Finding the Fourth Proportional to 77,447.67, 116,108.96 and 30,038.29

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Solution

The fourth proportional to 77,447.67, 116,108.96 and 30,038.29 is: 45,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,447.67 : 116,108.96 = 30,038.29 : x
  2. Step 2: Convert to fraction form
    77,447.67/116,108.96 = 30,038.29/x
  3. Step 3: Cross multiply
    77,447.67x = 116,108.96 × 30,038.29
  4. Step 4: Simplify right side
    77,447.67x = 3,487,714,031.53
  5. Step 5: Solve for x
    x = 3,487,714,031.53/77,447.67
  6. Step 6: Final answer
    x = 45,033.17

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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.