Home / 74,333.83-102,580.73-40,342.31

Finding the Fourth Proportional to 74,333.83, 102,580.73 and 40,342.31

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Solution

The fourth proportional to 74,333.83, 102,580.73 and 40,342.31 is: 55,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,333.83 : 102,580.73 = 40,342.31 : x
  2. Step 2: Convert to fraction form
    74,333.83/102,580.73 = 40,342.31/x
  3. Step 3: Cross multiply
    74,333.83x = 102,580.73 × 40,342.31
  4. Step 4: Simplify right side
    74,333.83x = 4,138,343,197.64
  5. Step 5: Solve for x
    x = 4,138,343,197.64/74,333.83
  6. Step 6: Final answer
    x = 55,672.41

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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.