Home / 64,075.05-88,419.90-38,262.72

Finding the Fourth Proportional to 64,075.05, 88,419.90 and 38,262.72

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Solution

The fourth proportional to 64,075.05, 88,419.90 and 38,262.72 is: 52,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,075.05 : 88,419.90 = 38,262.72 : x
  2. Step 2: Convert to fraction form
    64,075.05/88,419.90 = 38,262.72/x
  3. Step 3: Cross multiply
    64,075.05x = 88,419.90 × 38,262.72
  4. Step 4: Simplify right side
    64,075.05x = 3,383,185,876.13
  5. Step 5: Solve for x
    x = 3,383,185,876.13/64,075.05
  6. Step 6: Final answer
    x = 52,800.37

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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.