Home / 56,985.70-78,595.43-53,166.02

Finding the Fourth Proportional to 56,985.70, 78,595.43 and 53,166.02

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Solution

The fourth proportional to 56,985.70, 78,595.43 and 53,166.02 is: 73,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,985.70 : 78,595.43 = 53,166.02 : x
  2. Step 2: Convert to fraction form
    56,985.70/78,595.43 = 53,166.02/x
  3. Step 3: Cross multiply
    56,985.70x = 78,595.43 × 53,166.02
  4. Step 4: Simplify right side
    56,985.70x = 4,178,606,203.29
  5. Step 5: Solve for x
    x = 4,178,606,203.29/56,985.70
  6. Step 6: Final answer
    x = 73,327.28

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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.