Home / 84,023.48-115,951.34-45,784.66

Finding the Fourth Proportional to 84,023.48, 115,951.34 and 45,784.66

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Solution

The fourth proportional to 84,023.48, 115,951.34 and 45,784.66 is: 63,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,023.48 : 115,951.34 = 45,784.66 : x
  2. Step 2: Convert to fraction form
    84,023.48/115,951.34 = 45,784.66/x
  3. Step 3: Cross multiply
    84,023.48x = 115,951.34 × 45,784.66
  4. Step 4: Simplify right side
    84,023.48x = 5,308,792,678.44
  5. Step 5: Solve for x
    x = 5,308,792,678.44/84,023.48
  6. Step 6: Final answer
    x = 63,182.25

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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.