Home / 82,971.46-114,500.40-45,245.72

Finding the Fourth Proportional to 82,971.46, 114,500.40 and 45,245.72

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Solution

The fourth proportional to 82,971.46, 114,500.40 and 45,245.72 is: 62,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,971.46 : 114,500.40 = 45,245.72 : x
  2. Step 2: Convert to fraction form
    82,971.46/114,500.40 = 45,245.72/x
  3. Step 3: Cross multiply
    82,971.46x = 114,500.40 × 45,245.72
  4. Step 4: Simplify right side
    82,971.46x = 5,180,653,038.29
  5. Step 5: Solve for x
    x = 5,180,653,038.29/82,971.46
  6. Step 6: Final answer
    x = 62,438.98

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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.