Home / 64,075.36-88,420.33-38,263.03

Finding the Fourth Proportional to 64,075.36, 88,420.33 and 38,263.03

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Solution

The fourth proportional to 64,075.36, 88,420.33 and 38,263.03 is: 52,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,075.36 : 88,420.33 = 38,263.03 : x
  2. Step 2: Convert to fraction form
    64,075.36/88,420.33 = 38,263.03/x
  3. Step 3: Cross multiply
    64,075.36x = 88,420.33 × 38,263.03
  4. Step 4: Simplify right side
    64,075.36x = 3,383,229,739.40
  5. Step 5: Solve for x
    x = 3,383,229,739.40/64,075.36
  6. Step 6: Final answer
    x = 52,800.79

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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.