Home / 74,436.90-111,681.99-31,763.94

Finding the Fourth Proportional to 74,436.90, 111,681.99 and 31,763.94

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Solution

The fourth proportional to 74,436.90, 111,681.99 and 31,763.94 is: 47,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436.90 : 111,681.99 = 31,763.94 : x
  2. Step 2: Convert to fraction form
    74,436.90/111,681.99 = 31,763.94/x
  3. Step 3: Cross multiply
    74,436.90x = 111,681.99 × 31,763.94
  4. Step 4: Simplify right side
    74,436.90x = 3,547,460,029.44
  5. Step 5: Solve for x
    x = 3,547,460,029.44/74,436.90
  6. Step 6: Final answer
    x = 47,657.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.