Home / 63,742.72-87,966.08-35,448.32

Finding the Fourth Proportional to 63,742.72, 87,966.08 and 35,448.32

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Solution

The fourth proportional to 63,742.72, 87,966.08 and 35,448.32 is: 48,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,742.72 : 87,966.08 = 35,448.32 : x
  2. Step 2: Convert to fraction form
    63,742.72/87,966.08 = 35,448.32/x
  3. Step 3: Cross multiply
    63,742.72x = 87,966.08 × 35,448.32
  4. Step 4: Simplify right side
    63,742.72x = 3,118,249,752.99
  5. Step 5: Solve for x
    x = 3,118,249,752.99/63,742.72
  6. Step 6: Final answer
    x = 48,919.31

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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.