Home / 102,534.23-153,899.85-49,980.62

Finding the Fourth Proportional to 102,534.23, 153,899.85 and 49,980.62

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Solution

The fourth proportional to 102,534.23, 153,899.85 and 49,980.62 is: 75,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,534.23 : 153,899.85 = 49,980.62 : x
  2. Step 2: Convert to fraction form
    102,534.23/153,899.85 = 49,980.62/x
  3. Step 3: Cross multiply
    102,534.23x = 153,899.85 × 49,980.62
  4. Step 4: Simplify right side
    102,534.23x = 7,692,009,151.41
  5. Step 5: Solve for x
    x = 7,692,009,151.41/102,534.23
  6. Step 6: Final answer
    x = 75,018.94

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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.