Home / 89,135.07-133,554.37-62,784.15

Finding the Fourth Proportional to 89,135.07, 133,554.37 and 62,784.15

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Solution

The fourth proportional to 89,135.07, 133,554.37 and 62,784.15 is: 94,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,135.07 : 133,554.37 = 62,784.15 : x
  2. Step 2: Convert to fraction form
    89,135.07/133,554.37 = 62,784.15/x
  3. Step 3: Cross multiply
    89,135.07x = 133,554.37 × 62,784.15
  4. Step 4: Simplify right side
    89,135.07x = 8,385,097,599.24
  5. Step 5: Solve for x
    x = 8,385,097,599.24/89,135.07
  6. Step 6: Final answer
    x = 94,071.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.