Home / 96,690.36-133,430.64-53,667.35

Finding the Fourth Proportional to 96,690.36, 133,430.64 and 53,667.35

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Solution

The fourth proportional to 96,690.36, 133,430.64 and 53,667.35 is: 74,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,690.36 : 133,430.64 = 53,667.35 : x
  2. Step 2: Convert to fraction form
    96,690.36/133,430.64 = 53,667.35/x
  3. Step 3: Cross multiply
    96,690.36x = 133,430.64 × 53,667.35
  4. Step 4: Simplify right side
    96,690.36x = 7,160,868,264.19
  5. Step 5: Solve for x
    x = 7,160,868,264.19/96,690.36
  6. Step 6: Final answer
    x = 74,059.79

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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.