Home / 88,828.90-133,070.55-53,664.10

Finding the Fourth Proportional to 88,828.90, 133,070.55 and 53,664.10

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Solution

The fourth proportional to 88,828.90, 133,070.55 and 53,664.10 is: 80,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,828.90 : 133,070.55 = 53,664.10 : x
  2. Step 2: Convert to fraction form
    88,828.90/133,070.55 = 53,664.10/x
  3. Step 3: Cross multiply
    88,828.90x = 133,070.55 × 53,664.10
  4. Step 4: Simplify right side
    88,828.90x = 7,141,111,302.26
  5. Step 5: Solve for x
    x = 7,141,111,302.26/88,828.90
  6. Step 6: Final answer
    x = 80,391.76

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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.