Home / 64,285.16-88,711.55-35,603.68

Finding the Fourth Proportional to 64,285.16, 88,711.55 and 35,603.68

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Solution

The fourth proportional to 64,285.16, 88,711.55 and 35,603.68 is: 49,131.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,285.16 : 88,711.55 = 35,603.68 : x
  2. Step 2: Convert to fraction form
    64,285.16/88,711.55 = 35,603.68/x
  3. Step 3: Cross multiply
    64,285.16x = 88,711.55 × 35,603.68
  4. Step 4: Simplify right side
    64,285.16x = 3,158,457,489.32
  5. Step 5: Solve for x
    x = 3,158,457,489.32/64,285.16
  6. Step 6: Final answer
    x = 49,131.99

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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.