Home / 92,863.08-128,149.02-50,421.24

Finding the Fourth Proportional to 92,863.08, 128,149.02 and 50,421.24

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Solution

The fourth proportional to 92,863.08, 128,149.02 and 50,421.24 is: 69,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,863.08 : 128,149.02 = 50,421.24 : x
  2. Step 2: Convert to fraction form
    92,863.08/128,149.02 = 50,421.24/x
  3. Step 3: Cross multiply
    92,863.08x = 128,149.02 × 50,421.24
  4. Step 4: Simplify right side
    92,863.08x = 6,461,432,493.18
  5. Step 5: Solve for x
    x = 6,461,432,493.18/92,863.08
  6. Step 6: Final answer
    x = 69,580.21

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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.