Home / 82,756.48-114,097.20-60,128.32

Finding the Fourth Proportional to 82,756.48, 114,097.20 and 60,128.32

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Solution

The fourth proportional to 82,756.48, 114,097.20 and 60,128.32 is: 82,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,756.48 : 114,097.20 = 60,128.32 : x
  2. Step 2: Convert to fraction form
    82,756.48/114,097.20 = 60,128.32/x
  3. Step 3: Cross multiply
    82,756.48x = 114,097.20 × 60,128.32
  4. Step 4: Simplify right side
    82,756.48x = 6,860,472,952.70
  5. Step 5: Solve for x
    x = 6,860,472,952.70/82,756.48
  6. Step 6: Final answer
    x = 82,899.53

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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.