Home / 76,730.32-105,851.17-59,617.45

Finding the Fourth Proportional to 76,730.32, 105,851.17 and 59,617.45

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Solution

The fourth proportional to 76,730.32, 105,851.17 and 59,617.45 is: 82,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,730.32 : 105,851.17 = 59,617.45 : x
  2. Step 2: Convert to fraction form
    76,730.32/105,851.17 = 59,617.45/x
  3. Step 3: Cross multiply
    76,730.32x = 105,851.17 × 59,617.45
  4. Step 4: Simplify right side
    76,730.32x = 6,310,576,834.92
  5. Step 5: Solve for x
    x = 6,310,576,834.92/76,730.32
  6. Step 6: Final answer
    x = 82,243.59

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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.