Home / 71,364.89-98,483.54-39,535.85

Finding the Fourth Proportional to 71,364.89, 98,483.54 and 39,535.85

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Solution

The fourth proportional to 71,364.89, 98,483.54 and 39,535.85 is: 54,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364.89 : 98,483.54 = 39,535.85 : x
  2. Step 2: Convert to fraction form
    71,364.89/98,483.54 = 39,535.85/x
  3. Step 3: Cross multiply
    71,364.89x = 98,483.54 × 39,535.85
  4. Step 4: Simplify right side
    71,364.89x = 3,893,630,071.33
  5. Step 5: Solve for x
    x = 3,893,630,071.33/71,364.89
  6. Step 6: Final answer
    x = 54,559.47

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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.