Home / 81,900.24-113,023.14-45,602.19

Finding the Fourth Proportional to 81,900.24, 113,023.14 and 45,602.19

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Solution

The fourth proportional to 81,900.24, 113,023.14 and 45,602.19 is: 62,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,900.24 : 113,023.14 = 45,602.19 : x
  2. Step 2: Convert to fraction form
    81,900.24/113,023.14 = 45,602.19/x
  3. Step 3: Cross multiply
    81,900.24x = 113,023.14 × 45,602.19
  4. Step 4: Simplify right side
    81,900.24x = 5,154,102,704.68
  5. Step 5: Solve for x
    x = 5,154,102,704.68/81,900.24
  6. Step 6: Final answer
    x = 62,931.47

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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.