Home / 83,530.04-115,270.02-47,230.88

Finding the Fourth Proportional to 83,530.04, 115,270.02 and 47,230.88

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Solution

The fourth proportional to 83,530.04, 115,270.02 and 47,230.88 is: 65,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,530.04 : 115,270.02 = 47,230.88 : x
  2. Step 2: Convert to fraction form
    83,530.04/115,270.02 = 47,230.88/x
  3. Step 3: Cross multiply
    83,530.04x = 115,270.02 × 47,230.88
  4. Step 4: Simplify right side
    83,530.04x = 5,444,303,905.87
  5. Step 5: Solve for x
    x = 5,444,303,905.87/83,530.04
  6. Step 6: Final answer
    x = 65,177.80

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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.