Home / 88,913.65-133,464.48-86,905.75

Finding the Fourth Proportional to 88,913.65, 133,464.48 and 86,905.75

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Solution

The fourth proportional to 88,913.65, 133,464.48 and 86,905.75 is: 130,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,913.65 : 133,464.48 = 86,905.75 : x
  2. Step 2: Convert to fraction form
    88,913.65/133,464.48 = 86,905.75/x
  3. Step 3: Cross multiply
    88,913.65x = 133,464.48 × 86,905.75
  4. Step 4: Simplify right side
    88,913.65x = 11,598,830,732.76
  5. Step 5: Solve for x
    x = 11,598,830,732.76/88,913.65
  6. Step 6: Final answer
    x = 130,450.51

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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.