Home / 81,980.48-113,131.95-46,170.92

Finding the Fourth Proportional to 81,980.48, 113,131.95 and 46,170.92

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Solution

The fourth proportional to 81,980.48, 113,131.95 and 46,170.92 is: 63,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,980.48 : 113,131.95 = 46,170.92 : x
  2. Step 2: Convert to fraction form
    81,980.48/113,131.95 = 46,170.92/x
  3. Step 3: Cross multiply
    81,980.48x = 113,131.95 × 46,170.92
  4. Step 4: Simplify right side
    81,980.48x = 5,223,406,212.89
  5. Step 5: Solve for x
    x = 5,223,406,212.89/81,980.48
  6. Step 6: Final answer
    x = 63,715.24

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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.