Home / 59,120.48-81,127.08-53,774.56

Finding the Fourth Proportional to 59,120.48, 81,127.08 and 53,774.56

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Solution

The fourth proportional to 59,120.48, 81,127.08 and 53,774.56 is: 73,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,120.48 : 81,127.08 = 53,774.56 : x
  2. Step 2: Convert to fraction form
    59,120.48/81,127.08 = 53,774.56/x
  3. Step 3: Cross multiply
    59,120.48x = 81,127.08 × 53,774.56
  4. Step 4: Simplify right side
    59,120.48x = 4,362,573,031.08
  5. Step 5: Solve for x
    x = 4,362,573,031.08/59,120.48
  6. Step 6: Final answer
    x = 73,791.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.