Home / 84,036.88-115,970.66-46,311.12

Finding the Fourth Proportional to 84,036.88, 115,970.66 and 46,311.12

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Solution

The fourth proportional to 84,036.88, 115,970.66 and 46,311.12 is: 63,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,036.88 : 115,970.66 = 46,311.12 : x
  2. Step 2: Convert to fraction form
    84,036.88/115,970.66 = 46,311.12/x
  3. Step 3: Cross multiply
    84,036.88x = 115,970.66 × 46,311.12
  4. Step 4: Simplify right side
    84,036.88x = 5,370,731,151.74
  5. Step 5: Solve for x
    x = 5,370,731,151.74/84,036.88
  6. Step 6: Final answer
    x = 63,909.22

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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.