Home / 94,424.78-130,289.64-56,699.84

Finding the Fourth Proportional to 94,424.78, 130,289.64 and 56,699.84

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Solution

The fourth proportional to 94,424.78, 130,289.64 and 56,699.84 is: 78,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,424.78 : 130,289.64 = 56,699.84 : x
  2. Step 2: Convert to fraction form
    94,424.78/130,289.64 = 56,699.84/x
  3. Step 3: Cross multiply
    94,424.78x = 130,289.64 × 56,699.84
  4. Step 4: Simplify right side
    94,424.78x = 7,387,401,741.66
  5. Step 5: Solve for x
    x = 7,387,401,741.66/94,424.78
  6. Step 6: Final answer
    x = 78,235.84

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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.