Home / 85,536.14-128,325.06-60,284.86

Finding the Fourth Proportional to 85,536.14, 128,325.06 and 60,284.86

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Solution

The fourth proportional to 85,536.14, 128,325.06 and 60,284.86 is: 90,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536.14 : 128,325.06 = 60,284.86 : x
  2. Step 2: Convert to fraction form
    85,536.14/128,325.06 = 60,284.86/x
  3. Step 3: Cross multiply
    85,536.14x = 128,325.06 × 60,284.86
  4. Step 4: Simplify right side
    85,536.14x = 7,736,057,955.78
  5. Step 5: Solve for x
    x = 7,736,057,955.78/85,536.14
  6. Step 6: Final answer
    x = 90,441.99

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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.