Home / 61,431.26-84,777.86-34,575.50

Finding the Fourth Proportional to 61,431.26, 84,777.86 and 34,575.50

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Solution

The fourth proportional to 61,431.26, 84,777.86 and 34,575.50 is: 47,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,431.26 : 84,777.86 = 34,575.50 : x
  2. Step 2: Convert to fraction form
    61,431.26/84,777.86 = 34,575.50/x
  3. Step 3: Cross multiply
    61,431.26x = 84,777.86 × 34,575.50
  4. Step 4: Simplify right side
    61,431.26x = 2,931,237,196.81
  5. Step 5: Solve for x
    x = 2,931,237,196.81/61,431.26
  6. Step 6: Final answer
    x = 47,715.73

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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.