Home / 64,295.24-88,688.70-42,491.60

Finding the Fourth Proportional to 64,295.24, 88,688.70 and 42,491.60

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Solution

The fourth proportional to 64,295.24, 88,688.70 and 42,491.60 is: 58,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,295.24 : 88,688.70 = 42,491.60 : x
  2. Step 2: Convert to fraction form
    64,295.24/88,688.70 = 42,491.60/x
  3. Step 3: Cross multiply
    64,295.24x = 88,688.70 × 42,491.60
  4. Step 4: Simplify right side
    64,295.24x = 3,768,524,764.92
  5. Step 5: Solve for x
    x = 3,768,524,764.92/64,295.24
  6. Step 6: Final answer
    x = 58,612.81

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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.