Home / 84,037.47-115,971.12-46,311.72

Finding the Fourth Proportional to 84,037.47, 115,971.12 and 46,311.72

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Solution

The fourth proportional to 84,037.47, 115,971.12 and 46,311.72 is: 63,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037.47 : 115,971.12 = 46,311.72 : x
  2. Step 2: Convert to fraction form
    84,037.47/115,971.12 = 46,311.72/x
  3. Step 3: Cross multiply
    84,037.47x = 115,971.12 × 46,311.72
  4. Step 4: Simplify right side
    84,037.47x = 5,370,822,037.53
  5. Step 5: Solve for x
    x = 5,370,822,037.53/84,037.47
  6. Step 6: Final answer
    x = 63,909.85

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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.