Home / 74,946.12-103,446.50-43,125.28

Finding the Fourth Proportional to 74,946.12, 103,446.50 and 43,125.28

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Solution

The fourth proportional to 74,946.12, 103,446.50 and 43,125.28 is: 59,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,946.12 : 103,446.50 = 43,125.28 : x
  2. Step 2: Convert to fraction form
    74,946.12/103,446.50 = 43,125.28/x
  3. Step 3: Cross multiply
    74,946.12x = 103,446.50 × 43,125.28
  4. Step 4: Simplify right side
    74,946.12x = 4,461,159,277.52
  5. Step 5: Solve for x
    x = 4,461,159,277.52/74,946.12
  6. Step 6: Final answer
    x = 59,524.89

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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.