Home / 74,935.30-103,417.28-43,114.45

Finding the Fourth Proportional to 74,935.30, 103,417.28 and 43,114.45

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Solution

The fourth proportional to 74,935.30, 103,417.28 and 43,114.45 is: 59,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,935.30 : 103,417.28 = 43,114.45 : x
  2. Step 2: Convert to fraction form
    74,935.30/103,417.28 = 43,114.45/x
  3. Step 3: Cross multiply
    74,935.30x = 103,417.28 × 43,114.45
  4. Step 4: Simplify right side
    74,935.30x = 4,458,779,147.70
  5. Step 5: Solve for x
    x = 4,458,779,147.70/74,935.30
  6. Step 6: Final answer
    x = 59,501.72

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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.