Home / 82,311.48-113,590-44,585.76

Finding the Fourth Proportional to 82,311.48, 113,590 and 44,585.76

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Solution

The fourth proportional to 82,311.48, 113,590 and 44,585.76 is: 61,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311.48 : 113,590 = 44,585.76 : x
  2. Step 2: Convert to fraction form
    82,311.48/113,590 = 44,585.76/x
  3. Step 3: Cross multiply
    82,311.48x = 113,590 × 44,585.76
  4. Step 4: Simplify right side
    82,311.48x = 5,064,496,478.40
  5. Step 5: Solve for x
    x = 5,064,496,478.40/82,311.48
  6. Step 6: Final answer
    x = 61,528.43

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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.