Home / 92,624.60-138,953.64-70,710.32

Finding the Fourth Proportional to 92,624.60, 138,953.64 and 70,710.32

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Solution

The fourth proportional to 92,624.60, 138,953.64 and 70,710.32 is: 106,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,624.60 : 138,953.64 = 70,710.32 : x
  2. Step 2: Convert to fraction form
    92,624.60/138,953.64 = 70,710.32/x
  3. Step 3: Cross multiply
    92,624.60x = 138,953.64 × 70,710.32
  4. Step 4: Simplify right side
    92,624.60x = 9,825,456,349.56
  5. Step 5: Solve for x
    x = 9,825,456,349.56/92,624.60
  6. Step 6: Final answer
    x = 106,078.26

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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.