Home / 74,527.76-102,848.23-42,696.79

Finding the Fourth Proportional to 74,527.76, 102,848.23 and 42,696.79

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Solution

The fourth proportional to 74,527.76, 102,848.23 and 42,696.79 is: 58,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,527.76 : 102,848.23 = 42,696.79 : x
  2. Step 2: Convert to fraction form
    74,527.76/102,848.23 = 42,696.79/x
  3. Step 3: Cross multiply
    74,527.76x = 102,848.23 × 42,696.79
  4. Step 4: Simplify right side
    74,527.76x = 4,391,289,278.18
  5. Step 5: Solve for x
    x = 4,391,289,278.18/74,527.76
  6. Step 6: Final answer
    x = 58,921.53

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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.