Home / 97,075.38-145,612.94-30,521.32

Finding the Fourth Proportional to 97,075.38, 145,612.94 and 30,521.32

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Solution

The fourth proportional to 97,075.38, 145,612.94 and 30,521.32 is: 45,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,075.38 : 145,612.94 = 30,521.32 : x
  2. Step 2: Convert to fraction form
    97,075.38/145,612.94 = 30,521.32/x
  3. Step 3: Cross multiply
    97,075.38x = 145,612.94 × 30,521.32
  4. Step 4: Simplify right side
    97,075.38x = 4,444,299,137.88
  5. Step 5: Solve for x
    x = 4,444,299,137.88/97,075.38
  6. Step 6: Final answer
    x = 45,781.94

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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.