Home / 96,434.94-133,072.56-53,987.70

Finding the Fourth Proportional to 96,434.94, 133,072.56 and 53,987.70

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Solution

The fourth proportional to 96,434.94, 133,072.56 and 53,987.70 is: 74,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,434.94 : 133,072.56 = 53,987.70 : x
  2. Step 2: Convert to fraction form
    96,434.94/133,072.56 = 53,987.70/x
  3. Step 3: Cross multiply
    96,434.94x = 133,072.56 × 53,987.70
  4. Step 4: Simplify right side
    96,434.94x = 7,184,281,447.51
  5. Step 5: Solve for x
    x = 7,184,281,447.51/96,434.94
  6. Step 6: Final answer
    x = 74,498.74

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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.