Home / 93,051.03-128,408.84-51,656.59

Finding the Fourth Proportional to 93,051.03, 128,408.84 and 51,656.59

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Solution

The fourth proportional to 93,051.03, 128,408.84 and 51,656.59 is: 71,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,051.03 : 128,408.84 = 51,656.59 : x
  2. Step 2: Convert to fraction form
    93,051.03/128,408.84 = 51,656.59/x
  3. Step 3: Cross multiply
    93,051.03x = 128,408.84 × 51,656.59
  4. Step 4: Simplify right side
    93,051.03x = 6,633,162,464.46
  5. Step 5: Solve for x
    x = 6,633,162,464.46/93,051.03
  6. Step 6: Final answer
    x = 71,285.21

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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.