Home / 49,746.10-74,509.80-39,904.60

Finding the Fourth Proportional to 49,746.10, 74,509.80 and 39,904.60

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Solution

The fourth proportional to 49,746.10, 74,509.80 and 39,904.60 is: 59,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,746.10 : 74,509.80 = 39,904.60 : x
  2. Step 2: Convert to fraction form
    49,746.10/74,509.80 = 39,904.60/x
  3. Step 3: Cross multiply
    49,746.10x = 74,509.80 × 39,904.60
  4. Step 4: Simplify right side
    49,746.10x = 2,973,283,765.08
  5. Step 5: Solve for x
    x = 2,973,283,765.08/49,746.10
  6. Step 6: Final answer
    x = 59,769.18

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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.