Home / 70,980.10-106,543.98-52,281.24

Finding the Fourth Proportional to 70,980.10, 106,543.98 and 52,281.24

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Solution

The fourth proportional to 70,980.10, 106,543.98 and 52,281.24 is: 78,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,980.10 : 106,543.98 = 52,281.24 : x
  2. Step 2: Convert to fraction form
    70,980.10/106,543.98 = 52,281.24/x
  3. Step 3: Cross multiply
    70,980.10x = 106,543.98 × 52,281.24
  4. Step 4: Simplify right side
    70,980.10x = 5,570,251,388.94
  5. Step 5: Solve for x
    x = 5,570,251,388.94/70,980.10
  6. Step 6: Final answer
    x = 78,476.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.