Home / 81,410.03-112,342.58-45,598.21

Finding the Fourth Proportional to 81,410.03, 112,342.58 and 45,598.21

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Solution

The fourth proportional to 81,410.03, 112,342.58 and 45,598.21 is: 62,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,410.03 : 112,342.58 = 45,598.21 : x
  2. Step 2: Convert to fraction form
    81,410.03/112,342.58 = 45,598.21/x
  3. Step 3: Cross multiply
    81,410.03x = 112,342.58 × 45,598.21
  4. Step 4: Simplify right side
    81,410.03x = 5,122,620,216.93
  5. Step 5: Solve for x
    x = 5,122,620,216.93/81,410.03
  6. Step 6: Final answer
    x = 62,923.70

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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.