Home / 76,553.08-105,506.02-62,260.32

Finding the Fourth Proportional to 76,553.08, 105,506.02 and 62,260.32

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Solution

The fourth proportional to 76,553.08, 105,506.02 and 62,260.32 is: 85,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,553.08 : 105,506.02 = 62,260.32 : x
  2. Step 2: Convert to fraction form
    76,553.08/105,506.02 = 62,260.32/x
  3. Step 3: Cross multiply
    76,553.08x = 105,506.02 × 62,260.32
  4. Step 4: Simplify right side
    76,553.08x = 6,568,839,040.60
  5. Step 5: Solve for x
    x = 6,568,839,040.60/76,553.08
  6. Step 6: Final answer
    x = 85,807.64

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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.