Home / 57,075.20-85,612.92-30,792.32

Finding the Fourth Proportional to 57,075.20, 85,612.92 and 30,792.32

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Solution

The fourth proportional to 57,075.20, 85,612.92 and 30,792.32 is: 46,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,075.20 : 85,612.92 = 30,792.32 : x
  2. Step 2: Convert to fraction form
    57,075.20/85,612.92 = 30,792.32/x
  3. Step 3: Cross multiply
    57,075.20x = 85,612.92 × 30,792.32
  4. Step 4: Simplify right side
    57,075.20x = 2,636,220,428.77
  5. Step 5: Solve for x
    x = 2,636,220,428.77/57,075.20
  6. Step 6: Final answer
    x = 46,188.54

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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.