Home / 74,407.41-102,653.15-42,559.29

Finding the Fourth Proportional to 74,407.41, 102,653.15 and 42,559.29

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Solution

The fourth proportional to 74,407.41, 102,653.15 and 42,559.29 is: 58,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,407.41 : 102,653.15 = 42,559.29 : x
  2. Step 2: Convert to fraction form
    74,407.41/102,653.15 = 42,559.29/x
  3. Step 3: Cross multiply
    74,407.41x = 102,653.15 × 42,559.29
  4. Step 4: Simplify right side
    74,407.41x = 4,368,844,967.47
  5. Step 5: Solve for x
    x = 4,368,844,967.47/74,407.41
  6. Step 6: Final answer
    x = 58,715.19

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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.