Home / 92,826.08-128,098.08-52,539.12

Finding the Fourth Proportional to 92,826.08, 128,098.08 and 52,539.12

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Solution

The fourth proportional to 92,826.08, 128,098.08 and 52,539.12 is: 72,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,826.08 : 128,098.08 = 52,539.12 : x
  2. Step 2: Convert to fraction form
    92,826.08/128,098.08 = 52,539.12/x
  3. Step 3: Cross multiply
    92,826.08x = 128,098.08 × 52,539.12
  4. Step 4: Simplify right side
    92,826.08x = 6,730,160,396.89
  5. Step 5: Solve for x
    x = 6,730,160,396.89/92,826.08
  6. Step 6: Final answer
    x = 72,502.90

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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.