Home / 83,501.97-115,240.02-45,783.51

Finding the Fourth Proportional to 83,501.97, 115,240.02 and 45,783.51

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Solution

The fourth proportional to 83,501.97, 115,240.02 and 45,783.51 is: 63,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,501.97 : 115,240.02 = 45,783.51 : x
  2. Step 2: Convert to fraction form
    83,501.97/115,240.02 = 45,783.51/x
  3. Step 3: Cross multiply
    83,501.97x = 115,240.02 × 45,783.51
  4. Step 4: Simplify right side
    83,501.97x = 5,276,092,608.07
  5. Step 5: Solve for x
    x = 5,276,092,608.07/83,501.97
  6. Step 6: Final answer
    x = 63,185.25

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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.