Home / 81,476.08-112,435.98-45,666.04

Finding the Fourth Proportional to 81,476.08, 112,435.98 and 45,666.04

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Solution

The fourth proportional to 81,476.08, 112,435.98 and 45,666.04 is: 63,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,476.08 : 112,435.98 = 45,666.04 : x
  2. Step 2: Convert to fraction form
    81,476.08/112,435.98 = 45,666.04/x
  3. Step 3: Cross multiply
    81,476.08x = 112,435.98 × 45,666.04
  4. Step 4: Simplify right side
    81,476.08x = 5,134,505,960.12
  5. Step 5: Solve for x
    x = 5,134,505,960.12/81,476.08
  6. Step 6: Final answer
    x = 63,018.57

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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.