Home / 103,663.02-143,053.62-58,341.06

Finding the Fourth Proportional to 103,663.02, 143,053.62 and 58,341.06

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Solution

The fourth proportional to 103,663.02, 143,053.62 and 58,341.06 is: 80,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,663.02 : 143,053.62 = 58,341.06 : x
  2. Step 2: Convert to fraction form
    103,663.02/143,053.62 = 58,341.06/x
  3. Step 3: Cross multiply
    103,663.02x = 143,053.62 × 58,341.06
  4. Step 4: Simplify right side
    103,663.02x = 8,345,899,827.64
  5. Step 5: Solve for x
    x = 8,345,899,827.64/103,663.02
  6. Step 6: Final answer
    x = 80,509.90

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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.