Home / 77,717.40-116,576.10-31,003.80

Finding the Fourth Proportional to 77,717.40, 116,576.10 and 31,003.80

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Solution

The fourth proportional to 77,717.40, 116,576.10 and 31,003.80 is: 46,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,717.40 : 116,576.10 = 31,003.80 : x
  2. Step 2: Convert to fraction form
    77,717.40/116,576.10 = 31,003.80/x
  3. Step 3: Cross multiply
    77,717.40x = 116,576.10 × 31,003.80
  4. Step 4: Simplify right side
    77,717.40x = 3,614,302,089.18
  5. Step 5: Solve for x
    x = 3,614,302,089.18/77,717.40
  6. Step 6: Final answer
    x = 46,505.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.