Home / 76,569.14-105,665.51-42,577.26

Finding the Fourth Proportional to 76,569.14, 105,665.51 and 42,577.26

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Solution

The fourth proportional to 76,569.14, 105,665.51 and 42,577.26 is: 58,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,569.14 : 105,665.51 = 42,577.26 : x
  2. Step 2: Convert to fraction form
    76,569.14/105,665.51 = 42,577.26/x
  3. Step 3: Cross multiply
    76,569.14x = 105,665.51 × 42,577.26
  4. Step 4: Simplify right side
    76,569.14x = 4,498,947,602.50
  5. Step 5: Solve for x
    x = 4,498,947,602.50/76,569.14
  6. Step 6: Final answer
    x = 58,756.67

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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.