Home / 92,890.08-128,196.21-52,611

Finding the Fourth Proportional to 92,890.08, 128,196.21 and 52,611

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Solution

The fourth proportional to 92,890.08, 128,196.21 and 52,611 is: 72,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,890.08 : 128,196.21 = 52,611 : x
  2. Step 2: Convert to fraction form
    92,890.08/128,196.21 = 52,611/x
  3. Step 3: Cross multiply
    92,890.08x = 128,196.21 × 52,611
  4. Step 4: Simplify right side
    92,890.08x = 6,744,530,541.26
  5. Step 5: Solve for x
    x = 6,744,530,541.26/92,890.08
  6. Step 6: Final answer
    x = 72,607.66

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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.