Home / 82,129.56-113,342.64-46,318.81

Finding the Fourth Proportional to 82,129.56, 113,342.64 and 46,318.81

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Solution

The fourth proportional to 82,129.56, 113,342.64 and 46,318.81 is: 63,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,129.56 : 113,342.64 = 46,318.81 : x
  2. Step 2: Convert to fraction form
    82,129.56/113,342.64 = 46,318.81/x
  3. Step 3: Cross multiply
    82,129.56x = 113,342.64 × 46,318.81
  4. Step 4: Simplify right side
    82,129.56x = 5,249,896,207.06
  5. Step 5: Solve for x
    x = 5,249,896,207.06/82,129.56
  6. Step 6: Final answer
    x = 63,922.13

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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.