Home / 63,607.68-87,777.36-35,312.76

Finding the Fourth Proportional to 63,607.68, 87,777.36 and 35,312.76

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Solution

The fourth proportional to 63,607.68, 87,777.36 and 35,312.76 is: 48,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,607.68 : 87,777.36 = 35,312.76 : x
  2. Step 2: Convert to fraction form
    63,607.68/87,777.36 = 35,312.76/x
  3. Step 3: Cross multiply
    63,607.68x = 87,777.36 × 35,312.76
  4. Step 4: Simplify right side
    63,607.68x = 3,099,660,847.11
  5. Step 5: Solve for x
    x = 3,099,660,847.11/63,607.68
  6. Step 6: Final answer
    x = 48,730.92

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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.