Home / 49,970.40-74,977.20-25,346.40

Finding the Fourth Proportional to 49,970.40, 74,977.20 and 25,346.40

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Solution

The fourth proportional to 49,970.40, 74,977.20 and 25,346.40 is: 38,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,970.40 : 74,977.20 = 25,346.40 : x
  2. Step 2: Convert to fraction form
    49,970.40/74,977.20 = 25,346.40/x
  3. Step 3: Cross multiply
    49,970.40x = 74,977.20 × 25,346.40
  4. Step 4: Simplify right side
    49,970.40x = 1,900,402,102.08
  5. Step 5: Solve for x
    x = 1,900,402,102.08/49,970.40
  6. Step 6: Final answer
    x = 38,030.56

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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.