Home / 95,670.56-143,518.36-31,607.40

Finding the Fourth Proportional to 95,670.56, 143,518.36 and 31,607.40

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Solution

The fourth proportional to 95,670.56, 143,518.36 and 31,607.40 is: 47,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,670.56 : 143,518.36 = 31,607.40 : x
  2. Step 2: Convert to fraction form
    95,670.56/143,518.36 = 31,607.40/x
  3. Step 3: Cross multiply
    95,670.56x = 143,518.36 × 31,607.40
  4. Step 4: Simplify right side
    95,670.56x = 4,536,242,211.86
  5. Step 5: Solve for x
    x = 4,536,242,211.86/95,670.56
  6. Step 6: Final answer
    x = 47,415.24

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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.