Home / 42,663.18-64,004.76-14,583.48

Finding the Fourth Proportional to 42,663.18, 64,004.76 and 14,583.48

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Solution

The fourth proportional to 42,663.18, 64,004.76 and 14,583.48 is: 21,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.18 : 64,004.76 = 14,583.48 : x
  2. Step 2: Convert to fraction form
    42,663.18/64,004.76 = 14,583.48/x
  3. Step 3: Cross multiply
    42,663.18x = 64,004.76 × 14,583.48
  4. Step 4: Simplify right side
    42,663.18x = 933,412,137.36
  5. Step 5: Solve for x
    x = 933,412,137.36/42,663.18
  6. Step 6: Final answer
    x = 21,878.63

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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.