Home / 81,614.10-112,624.74-45,804.68

Finding the Fourth Proportional to 81,614.10, 112,624.74 and 45,804.68

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Solution

The fourth proportional to 81,614.10, 112,624.74 and 45,804.68 is: 63,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,614.10 : 112,624.74 = 45,804.68 : x
  2. Step 2: Convert to fraction form
    81,614.10/112,624.74 = 45,804.68/x
  3. Step 3: Cross multiply
    81,614.10x = 112,624.74 × 45,804.68
  4. Step 4: Simplify right side
    81,614.10x = 5,158,740,175.78
  5. Step 5: Solve for x
    x = 5,158,740,175.78/81,614.10
  6. Step 6: Final answer
    x = 63,208.93

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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.