Home / 64,318.21-88,710.31-56,346.59

Finding the Fourth Proportional to 64,318.21, 88,710.31 and 56,346.59

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Solution

The fourth proportional to 64,318.21, 88,710.31 and 56,346.59 is: 77,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,318.21 : 88,710.31 = 56,346.59 : x
  2. Step 2: Convert to fraction form
    64,318.21/88,710.31 = 56,346.59/x
  3. Step 3: Cross multiply
    64,318.21x = 88,710.31 × 56,346.59
  4. Step 4: Simplify right side
    64,318.21x = 4,998,523,466.34
  5. Step 5: Solve for x
    x = 4,998,523,466.34/64,318.21
  6. Step 6: Final answer
    x = 77,715.53

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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.