Home / 70,928.13-97,880.52-39,097.02

Finding the Fourth Proportional to 70,928.13, 97,880.52 and 39,097.02

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Solution

The fourth proportional to 70,928.13, 97,880.52 and 39,097.02 is: 53,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,928.13 : 97,880.52 = 39,097.02 : x
  2. Step 2: Convert to fraction form
    70,928.13/97,880.52 = 39,097.02/x
  3. Step 3: Cross multiply
    70,928.13x = 97,880.52 × 39,097.02
  4. Step 4: Simplify right side
    70,928.13x = 3,826,836,648.05
  5. Step 5: Solve for x
    x = 3,826,836,648.05/70,928.13
  6. Step 6: Final answer
    x = 53,953.72

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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.