Home / 101,449.32-152,075.04-42,301.89

Finding the Fourth Proportional to 101,449.32, 152,075.04 and 42,301.89

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Solution

The fourth proportional to 101,449.32, 152,075.04 and 42,301.89 is: 63,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,449.32 : 152,075.04 = 42,301.89 : x
  2. Step 2: Convert to fraction form
    101,449.32/152,075.04 = 42,301.89/x
  3. Step 3: Cross multiply
    101,449.32x = 152,075.04 × 42,301.89
  4. Step 4: Simplify right side
    101,449.32x = 6,433,061,613.83
  5. Step 5: Solve for x
    x = 6,433,061,613.83/101,449.32
  6. Step 6: Final answer
    x = 63,411.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.