Home / 47,090.60-65,002.08-31,180.17

Finding the Fourth Proportional to 47,090.60, 65,002.08 and 31,180.17

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Solution

The fourth proportional to 47,090.60, 65,002.08 and 31,180.17 is: 43,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,090.60 : 65,002.08 = 31,180.17 : x
  2. Step 2: Convert to fraction form
    47,090.60/65,002.08 = 31,180.17/x
  3. Step 3: Cross multiply
    47,090.60x = 65,002.08 × 31,180.17
  4. Step 4: Simplify right side
    47,090.60x = 2,026,775,904.75
  5. Step 5: Solve for x
    x = 2,026,775,904.75/47,090.60
  6. Step 6: Final answer
    x = 43,039.93

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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.