Home / 62,883.77-86,777.09-34,203.45

Finding the Fourth Proportional to 62,883.77, 86,777.09 and 34,203.45

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Solution

The fourth proportional to 62,883.77, 86,777.09 and 34,203.45 is: 47,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,883.77 : 86,777.09 = 34,203.45 : x
  2. Step 2: Convert to fraction form
    62,883.77/86,777.09 = 34,203.45/x
  3. Step 3: Cross multiply
    62,883.77x = 86,777.09 × 34,203.45
  4. Step 4: Simplify right side
    62,883.77x = 2,968,075,687.94
  5. Step 5: Solve for x
    x = 2,968,075,687.94/62,883.77
  6. Step 6: Final answer
    x = 47,199.40

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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.