Home / 92,861.96-128,152.10-50,423.08

Finding the Fourth Proportional to 92,861.96, 128,152.10 and 50,423.08

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Solution

The fourth proportional to 92,861.96, 128,152.10 and 50,423.08 is: 69,585.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,861.96 : 128,152.10 = 50,423.08 : x
  2. Step 2: Convert to fraction form
    92,861.96/128,152.10 = 50,423.08/x
  3. Step 3: Cross multiply
    92,861.96x = 128,152.10 × 50,423.08
  4. Step 4: Simplify right side
    92,861.96x = 6,461,823,590.47
  5. Step 5: Solve for x
    x = 6,461,823,590.47/92,861.96
  6. Step 6: Final answer
    x = 69,585.26

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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.