Home / 94,720.64-142,088.64-31,538.48

Finding the Fourth Proportional to 94,720.64, 142,088.64 and 31,538.48

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Solution

The fourth proportional to 94,720.64, 142,088.64 and 31,538.48 is: 47,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,720.64 : 142,088.64 = 31,538.48 : x
  2. Step 2: Convert to fraction form
    94,720.64/142,088.64 = 31,538.48/x
  3. Step 3: Cross multiply
    94,720.64x = 142,088.64 × 31,538.48
  4. Step 4: Simplify right side
    94,720.64x = 4,481,259,730.87
  5. Step 5: Solve for x
    x = 4,481,259,730.87/94,720.64
  6. Step 6: Final answer
    x = 47,310.28

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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.