Home / 96,709.08-133,456.32-53,685.96

Finding the Fourth Proportional to 96,709.08, 133,456.32 and 53,685.96

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Solution

The fourth proportional to 96,709.08, 133,456.32 and 53,685.96 is: 74,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,709.08 : 133,456.32 = 53,685.96 : x
  2. Step 2: Convert to fraction form
    96,709.08/133,456.32 = 53,685.96/x
  3. Step 3: Cross multiply
    96,709.08x = 133,456.32 × 53,685.96
  4. Step 4: Simplify right side
    96,709.08x = 7,164,730,657.27
  5. Step 5: Solve for x
    x = 7,164,730,657.27/96,709.08
  6. Step 6: Final answer
    x = 74,085.40

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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.