Home / 84,418.64-116,533.60-52,603.28

Finding the Fourth Proportional to 84,418.64, 116,533.60 and 52,603.28

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Solution

The fourth proportional to 84,418.64, 116,533.60 and 52,603.28 is: 72,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,418.64 : 116,533.60 = 52,603.28 : x
  2. Step 2: Convert to fraction form
    84,418.64/116,533.60 = 52,603.28/x
  3. Step 3: Cross multiply
    84,418.64x = 116,533.60 × 52,603.28
  4. Step 4: Simplify right side
    84,418.64x = 6,130,049,590.21
  5. Step 5: Solve for x
    x = 6,130,049,590.21/84,418.64
  6. Step 6: Final answer
    x = 72,614.88

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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.