Home / 104,682.47-144,457.65-56,935.87

Finding the Fourth Proportional to 104,682.47, 144,457.65 and 56,935.87

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Solution

The fourth proportional to 104,682.47, 144,457.65 and 56,935.87 is: 78,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,682.47 : 144,457.65 = 56,935.87 : x
  2. Step 2: Convert to fraction form
    104,682.47/144,457.65 = 56,935.87/x
  3. Step 3: Cross multiply
    104,682.47x = 144,457.65 × 56,935.87
  4. Step 4: Simplify right side
    104,682.47x = 8,224,821,619.76
  5. Step 5: Solve for x
    x = 8,224,821,619.76/104,682.47
  6. Step 6: Final answer
    x = 78,569.24

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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.