Home / 74,866.10-103,335.09-43,038.50

Finding the Fourth Proportional to 74,866.10, 103,335.09 and 43,038.50

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Solution

The fourth proportional to 74,866.10, 103,335.09 and 43,038.50 is: 59,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,866.10 : 103,335.09 = 43,038.50 : x
  2. Step 2: Convert to fraction form
    74,866.10/103,335.09 = 43,038.50/x
  3. Step 3: Cross multiply
    74,866.10x = 103,335.09 × 43,038.50
  4. Step 4: Simplify right side
    74,866.10x = 4,447,387,270.97
  5. Step 5: Solve for x
    x = 4,447,387,270.97/74,866.10
  6. Step 6: Final answer
    x = 59,404.55

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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.