Home / 81,536.17-112,415.76-52,805.07

Finding the Fourth Proportional to 81,536.17, 112,415.76 and 52,805.07

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Solution

The fourth proportional to 81,536.17, 112,415.76 and 52,805.07 is: 72,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,536.17 : 112,415.76 = 52,805.07 : x
  2. Step 2: Convert to fraction form
    81,536.17/112,415.76 = 52,805.07/x
  3. Step 3: Cross multiply
    81,536.17x = 112,415.76 × 52,805.07
  4. Step 4: Simplify right side
    81,536.17x = 5,936,122,075.90
  5. Step 5: Solve for x
    x = 5,936,122,075.90/81,536.17
  6. Step 6: Final answer
    x = 72,803.54

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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.