Home / 63,428.36-87,533.46-35,136.68

Finding the Fourth Proportional to 63,428.36, 87,533.46 and 35,136.68

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Solution

The fourth proportional to 63,428.36, 87,533.46 and 35,136.68 is: 48,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,428.36 : 87,533.46 = 35,136.68 : x
  2. Step 2: Convert to fraction form
    63,428.36/87,533.46 = 35,136.68/x
  3. Step 3: Cross multiply
    63,428.36x = 87,533.46 × 35,136.68
  4. Step 4: Simplify right side
    63,428.36x = 3,075,635,173.31
  5. Step 5: Solve for x
    x = 3,075,635,173.31/63,428.36
  6. Step 6: Final answer
    x = 48,489.91

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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.