Home / 63,075.56-87,011.70-39,193.16

Finding the Fourth Proportional to 63,075.56, 87,011.70 and 39,193.16

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Solution

The fourth proportional to 63,075.56, 87,011.70 and 39,193.16 is: 54,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,075.56 : 87,011.70 = 39,193.16 : x
  2. Step 2: Convert to fraction form
    63,075.56/87,011.70 = 39,193.16/x
  3. Step 3: Cross multiply
    63,075.56x = 87,011.70 × 39,193.16
  4. Step 4: Simplify right side
    63,075.56x = 3,410,263,479.97
  5. Step 5: Solve for x
    x = 3,410,263,479.97/63,075.56
  6. Step 6: Final answer
    x = 54,066.32

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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.