Home / 58,695.12-81,030.68-45,921.16

Finding the Fourth Proportional to 58,695.12, 81,030.68 and 45,921.16

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Solution

The fourth proportional to 58,695.12, 81,030.68 and 45,921.16 is: 63,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,695.12 : 81,030.68 = 45,921.16 : x
  2. Step 2: Convert to fraction form
    58,695.12/81,030.68 = 45,921.16/x
  3. Step 3: Cross multiply
    58,695.12x = 81,030.68 × 45,921.16
  4. Step 4: Simplify right side
    58,695.12x = 3,721,022,821.19
  5. Step 5: Solve for x
    x = 3,721,022,821.19/58,695.12
  6. Step 6: Final answer
    x = 63,395.78

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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.