Home / 62,018.32-93,074.28-45,421.38

Finding the Fourth Proportional to 62,018.32, 93,074.28 and 45,421.38

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Solution

The fourth proportional to 62,018.32, 93,074.28 and 45,421.38 is: 68,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,018.32 : 93,074.28 = 45,421.38 : x
  2. Step 2: Convert to fraction form
    62,018.32/93,074.28 = 45,421.38/x
  3. Step 3: Cross multiply
    62,018.32x = 93,074.28 × 45,421.38
  4. Step 4: Simplify right side
    62,018.32x = 4,227,561,774.74
  5. Step 5: Solve for x
    x = 4,227,561,774.74/62,018.32
  6. Step 6: Final answer
    x = 68,166.34

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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.