Home / 82,952.06-114,430.20-56,103.60

Finding the Fourth Proportional to 82,952.06, 114,430.20 and 56,103.60

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Solution

The fourth proportional to 82,952.06, 114,430.20 and 56,103.60 is: 77,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952.06 : 114,430.20 = 56,103.60 : x
  2. Step 2: Convert to fraction form
    82,952.06/114,430.20 = 56,103.60/x
  3. Step 3: Cross multiply
    82,952.06x = 114,430.20 × 56,103.60
  4. Step 4: Simplify right side
    82,952.06x = 6,419,946,168.72
  5. Step 5: Solve for x
    x = 6,419,946,168.72/82,952.06
  6. Step 6: Final answer
    x = 77,393.45

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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.