Home / 85,090.18-117,422.50-53,276.62

Finding the Fourth Proportional to 85,090.18, 117,422.50 and 53,276.62

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Solution

The fourth proportional to 85,090.18, 117,422.50 and 53,276.62 is: 73,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,090.18 : 117,422.50 = 53,276.62 : x
  2. Step 2: Convert to fraction form
    85,090.18/117,422.50 = 53,276.62/x
  3. Step 3: Cross multiply
    85,090.18x = 117,422.50 × 53,276.62
  4. Step 4: Simplify right side
    85,090.18x = 6,255,873,058.45
  5. Step 5: Solve for x
    x = 6,255,873,058.45/85,090.18
  6. Step 6: Final answer
    x = 73,520.51

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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.