Home / 93,987.06-129,709.01-53,699.96

Finding the Fourth Proportional to 93,987.06, 129,709.01 and 53,699.96

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Solution

The fourth proportional to 93,987.06, 129,709.01 and 53,699.96 is: 74,109.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,987.06 : 129,709.01 = 53,699.96 : x
  2. Step 2: Convert to fraction form
    93,987.06/129,709.01 = 53,699.96/x
  3. Step 3: Cross multiply
    93,987.06x = 129,709.01 × 53,699.96
  4. Step 4: Simplify right side
    93,987.06x = 6,965,367,731.59
  5. Step 5: Solve for x
    x = 6,965,367,731.59/93,987.06
  6. Step 6: Final answer
    x = 74,109.86

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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.