Home / 84,639.55-116,749.47-54,464.08

Finding the Fourth Proportional to 84,639.55, 116,749.47 and 54,464.08

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Solution

The fourth proportional to 84,639.55, 116,749.47 and 54,464.08 is: 75,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,639.55 : 116,749.47 = 54,464.08 : x
  2. Step 2: Convert to fraction form
    84,639.55/116,749.47 = 54,464.08/x
  3. Step 3: Cross multiply
    84,639.55x = 116,749.47 × 54,464.08
  4. Step 4: Simplify right side
    84,639.55x = 6,358,652,474.04
  5. Step 5: Solve for x
    x = 6,358,652,474.04/84,639.55
  6. Step 6: Final answer
    x = 75,126.26

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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.