Home / 68,632.18-102,814.18-47,281.12

Finding the Fourth Proportional to 68,632.18, 102,814.18 and 47,281.12

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Solution

The fourth proportional to 68,632.18, 102,814.18 and 47,281.12 is: 70,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,632.18 : 102,814.18 = 47,281.12 : x
  2. Step 2: Convert to fraction form
    68,632.18/102,814.18 = 47,281.12/x
  3. Step 3: Cross multiply
    68,632.18x = 102,814.18 × 47,281.12
  4. Step 4: Simplify right side
    68,632.18x = 4,861,169,582.28
  5. Step 5: Solve for x
    x = 4,861,169,582.28/68,632.18
  6. Step 6: Final answer
    x = 70,829.30

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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.