Home / 56,970.58-78,606-33,083.08

Finding the Fourth Proportional to 56,970.58, 78,606 and 33,083.08

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Solution

The fourth proportional to 56,970.58, 78,606 and 33,083.08 is: 45,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,970.58 : 78,606 = 33,083.08 : x
  2. Step 2: Convert to fraction form
    56,970.58/78,606 = 33,083.08/x
  3. Step 3: Cross multiply
    56,970.58x = 78,606 × 33,083.08
  4. Step 4: Simplify right side
    56,970.58x = 2,600,528,586.48
  5. Step 5: Solve for x
    x = 2,600,528,586.48/56,970.58
  6. Step 6: Final answer
    x = 45,646.87

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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.