Home / 84,587.52-116,728.32-48,783.36

Finding the Fourth Proportional to 84,587.52, 116,728.32 and 48,783.36

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Solution

The fourth proportional to 84,587.52, 116,728.32 and 48,783.36 is: 67,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,587.52 : 116,728.32 = 48,783.36 : x
  2. Step 2: Convert to fraction form
    84,587.52/116,728.32 = 48,783.36/x
  3. Step 3: Cross multiply
    84,587.52x = 116,728.32 × 48,783.36
  4. Step 4: Simplify right side
    84,587.52x = 5,694,399,656.76
  5. Step 5: Solve for x
    x = 5,694,399,656.76/84,587.52
  6. Step 6: Final answer
    x = 67,319.62

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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.