Home / 74,511.58-102,823.92-40,977.58

Finding the Fourth Proportional to 74,511.58, 102,823.92 and 40,977.58

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Solution

The fourth proportional to 74,511.58, 102,823.92 and 40,977.58 is: 56,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,511.58 : 102,823.92 = 40,977.58 : x
  2. Step 2: Convert to fraction form
    74,511.58/102,823.92 = 40,977.58/x
  3. Step 3: Cross multiply
    74,511.58x = 102,823.92 × 40,977.58
  4. Step 4: Simplify right side
    74,511.58x = 4,213,475,407.71
  5. Step 5: Solve for x
    x = 4,213,475,407.71/74,511.58
  6. Step 6: Final answer
    x = 56,547.93

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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.