Home / 84,533.60-116,643.28-48,725.28

Finding the Fourth Proportional to 84,533.60, 116,643.28 and 48,725.28

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Solution

The fourth proportional to 84,533.60, 116,643.28 and 48,725.28 is: 67,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,533.60 : 116,643.28 = 48,725.28 : x
  2. Step 2: Convert to fraction form
    84,533.60/116,643.28 = 48,725.28/x
  3. Step 3: Cross multiply
    84,533.60x = 116,643.28 × 48,725.28
  4. Step 4: Simplify right side
    84,533.60x = 5,683,476,478.12
  5. Step 5: Solve for x
    x = 5,683,476,478.12/84,533.60
  6. Step 6: Final answer
    x = 67,233.34

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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.