Home / 88,866.15-122,636.75-53,059.29

Finding the Fourth Proportional to 88,866.15, 122,636.75 and 53,059.29

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Solution

The fourth proportional to 88,866.15, 122,636.75 and 53,059.29 is: 73,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,866.15 : 122,636.75 = 53,059.29 : x
  2. Step 2: Convert to fraction form
    88,866.15/122,636.75 = 53,059.29/x
  3. Step 3: Cross multiply
    88,866.15x = 122,636.75 × 53,059.29
  4. Step 4: Simplify right side
    88,866.15x = 6,507,018,617.61
  5. Step 5: Solve for x
    x = 6,507,018,617.61/88,866.15
  6. Step 6: Final answer
    x = 73,222.69

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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.