Home / 57,075.09-85,511.05-48,669.83

Finding the Fourth Proportional to 57,075.09, 85,511.05 and 48,669.83

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Solution

The fourth proportional to 57,075.09, 85,511.05 and 48,669.83 is: 72,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,075.09 : 85,511.05 = 48,669.83 : x
  2. Step 2: Convert to fraction form
    57,075.09/85,511.05 = 48,669.83/x
  3. Step 3: Cross multiply
    57,075.09x = 85,511.05 × 48,669.83
  4. Step 4: Simplify right side
    57,075.09x = 4,161,808,266.62
  5. Step 5: Solve for x
    x = 4,161,808,266.62/57,075.09
  6. Step 6: Final answer
    x = 72,918.12

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1.5x scale

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.