Home / 64,299.12-88,730.77-35,617.63

Finding the Fourth Proportional to 64,299.12, 88,730.77 and 35,617.63

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Solution

The fourth proportional to 64,299.12, 88,730.77 and 35,617.63 is: 49,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,299.12 : 88,730.77 = 35,617.63 : x
  2. Step 2: Convert to fraction form
    64,299.12/88,730.77 = 35,617.63/x
  3. Step 3: Cross multiply
    64,299.12x = 88,730.77 × 35,617.63
  4. Step 4: Simplify right side
    64,299.12x = 3,160,379,291.82
  5. Step 5: Solve for x
    x = 3,160,379,291.82/64,299.12
  6. Step 6: Final answer
    x = 49,151.21

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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.