Home / 66,897.48-92,381.04-43,065.60

Finding the Fourth Proportional to 66,897.48, 92,381.04 and 43,065.60

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Solution

The fourth proportional to 66,897.48, 92,381.04 and 43,065.60 is: 59,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,897.48 : 92,381.04 = 43,065.60 : x
  2. Step 2: Convert to fraction form
    66,897.48/92,381.04 = 43,065.60/x
  3. Step 3: Cross multiply
    66,897.48x = 92,381.04 × 43,065.60
  4. Step 4: Simplify right side
    66,897.48x = 3,978,444,916.22
  5. Step 5: Solve for x
    x = 3,978,444,916.22/66,897.48
  6. Step 6: Final answer
    x = 59,470.77

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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.