Home / 83,772.04-115,612.02-47,973.32

Finding the Fourth Proportional to 83,772.04, 115,612.02 and 47,973.32

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Solution

The fourth proportional to 83,772.04, 115,612.02 and 47,973.32 is: 66,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,772.04 : 115,612.02 = 47,973.32 : x
  2. Step 2: Convert to fraction form
    83,772.04/115,612.02 = 47,973.32/x
  3. Step 3: Cross multiply
    83,772.04x = 115,612.02 × 47,973.32
  4. Step 4: Simplify right side
    83,772.04x = 5,546,292,431.31
  5. Step 5: Solve for x
    x = 5,546,292,431.31/83,772.04
  6. Step 6: Final answer
    x = 66,206.96

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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.