Home / 58,783.16-81,120.73-31,925.67

Finding the Fourth Proportional to 58,783.16, 81,120.73 and 31,925.67

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Solution

The fourth proportional to 58,783.16, 81,120.73 and 31,925.67 is: 44,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,783.16 : 81,120.73 = 31,925.67 : x
  2. Step 2: Convert to fraction form
    58,783.16/81,120.73 = 31,925.67/x
  3. Step 3: Cross multiply
    58,783.16x = 81,120.73 × 31,925.67
  4. Step 4: Simplify right side
    58,783.16x = 2,589,833,656.14
  5. Step 5: Solve for x
    x = 2,589,833,656.14/58,783.16
  6. Step 6: Final answer
    x = 44,057.41

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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.