Home / 92,861.15-128,156.31-52,582.01

Finding the Fourth Proportional to 92,861.15, 128,156.31 and 52,582.01

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Solution

The fourth proportional to 92,861.15, 128,156.31 and 52,582.01 is: 72,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,861.15 : 128,156.31 = 52,582.01 : x
  2. Step 2: Convert to fraction form
    92,861.15/128,156.31 = 52,582.01/x
  3. Step 3: Cross multiply
    92,861.15x = 128,156.31 × 52,582.01
  4. Step 4: Simplify right side
    92,861.15x = 6,738,715,733.20
  5. Step 5: Solve for x
    x = 6,738,715,733.20/92,861.15
  6. Step 6: Final answer
    x = 72,567.66

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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.