Home / 71,286.21-98,368.31-42,600.18

Finding the Fourth Proportional to 71,286.21, 98,368.31 and 42,600.18

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Solution

The fourth proportional to 71,286.21, 98,368.31 and 42,600.18 is: 58,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,286.21 : 98,368.31 = 42,600.18 : x
  2. Step 2: Convert to fraction form
    71,286.21/98,368.31 = 42,600.18/x
  3. Step 3: Cross multiply
    71,286.21x = 98,368.31 × 42,600.18
  4. Step 4: Simplify right side
    71,286.21x = 4,190,507,499.29
  5. Step 5: Solve for x
    x = 4,190,507,499.29/71,286.21
  6. Step 6: Final answer
    x = 58,784.27

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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.