Home / 74,618.07-102,967.74-42,353.35

Finding the Fourth Proportional to 74,618.07, 102,967.74 and 42,353.35

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Solution

The fourth proportional to 74,618.07, 102,967.74 and 42,353.35 is: 58,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,618.07 : 102,967.74 = 42,353.35 : x
  2. Step 2: Convert to fraction form
    74,618.07/102,967.74 = 42,353.35/x
  3. Step 3: Cross multiply
    74,618.07x = 102,967.74 × 42,353.35
  4. Step 4: Simplify right side
    74,618.07x = 4,361,028,730.93
  5. Step 5: Solve for x
    x = 4,361,028,730.93/74,618.07
  6. Step 6: Final answer
    x = 58,444.67

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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.