Home / 55,740.08-76,916.22-33,075.18

Finding the Fourth Proportional to 55,740.08, 76,916.22 and 33,075.18

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Solution

The fourth proportional to 55,740.08, 76,916.22 and 33,075.18 is: 45,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740.08 : 76,916.22 = 33,075.18 : x
  2. Step 2: Convert to fraction form
    55,740.08/76,916.22 = 33,075.18/x
  3. Step 3: Cross multiply
    55,740.08x = 76,916.22 × 33,075.18
  4. Step 4: Simplify right side
    55,740.08x = 2,544,017,821.42
  5. Step 5: Solve for x
    x = 2,544,017,821.42/55,740.08
  6. Step 6: Final answer
    x = 45,640.73

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1.5x scale

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.