Home / 64,774.14-89,337.49-42,120.46

Finding the Fourth Proportional to 64,774.14, 89,337.49 and 42,120.46

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Solution

The fourth proportional to 64,774.14, 89,337.49 and 42,120.46 is: 58,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,774.14 : 89,337.49 = 42,120.46 : x
  2. Step 2: Convert to fraction form
    64,774.14/89,337.49 = 42,120.46/x
  3. Step 3: Cross multiply
    64,774.14x = 89,337.49 × 42,120.46
  4. Step 4: Simplify right side
    64,774.14x = 3,762,936,174.05
  5. Step 5: Solve for x
    x = 3,762,936,174.05/64,774.14
  6. Step 6: Final answer
    x = 58,093.19

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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.