Home / 63,015.36-86,960.40-34,336.25

Finding the Fourth Proportional to 63,015.36, 86,960.40 and 34,336.25

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Solution

The fourth proportional to 63,015.36, 86,960.40 and 34,336.25 is: 47,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,015.36 : 86,960.40 = 34,336.25 : x
  2. Step 2: Convert to fraction form
    63,015.36/86,960.40 = 34,336.25/x
  3. Step 3: Cross multiply
    63,015.36x = 86,960.40 × 34,336.25
  4. Step 4: Simplify right side
    63,015.36x = 2,985,893,599.70
  5. Step 5: Solve for x
    x = 2,985,893,599.70/63,015.36
  6. Step 6: Final answer
    x = 47,383.58

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1.5x scale

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.