Home / 82,835.46-124,289.76-64,276.74

Finding the Fourth Proportional to 82,835.46, 124,289.76 and 64,276.74

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Solution

The fourth proportional to 82,835.46, 124,289.76 and 64,276.74 is: 96,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,835.46 : 124,289.76 = 64,276.74 : x
  2. Step 2: Convert to fraction form
    82,835.46/124,289.76 = 64,276.74/x
  3. Step 3: Cross multiply
    82,835.46x = 124,289.76 × 64,276.74
  4. Step 4: Simplify right side
    82,835.46x = 7,988,940,588.18
  5. Step 5: Solve for x
    x = 7,988,940,588.18/82,835.46
  6. Step 6: Final answer
    x = 96,443.49

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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.