Home / 56,743.20-85,539.72-52,937.28

Finding the Fourth Proportional to 56,743.20, 85,539.72 and 52,937.28

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Solution

The fourth proportional to 56,743.20, 85,539.72 and 52,937.28 is: 79,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,743.20 : 85,539.72 = 52,937.28 : x
  2. Step 2: Convert to fraction form
    56,743.20/85,539.72 = 52,937.28/x
  3. Step 3: Cross multiply
    56,743.20x = 85,539.72 × 52,937.28
  4. Step 4: Simplify right side
    56,743.20x = 4,528,240,108.76
  5. Step 5: Solve for x
    x = 4,528,240,108.76/56,743.20
  6. Step 6: Final answer
    x = 79,802.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.