Home / 55,366.08-76,415-32,703.60

Finding the Fourth Proportional to 55,366.08, 76,415 and 32,703.60

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Solution

The fourth proportional to 55,366.08, 76,415 and 32,703.60 is: 45,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,366.08 : 76,415 = 32,703.60 : x
  2. Step 2: Convert to fraction form
    55,366.08/76,415 = 32,703.60/x
  3. Step 3: Cross multiply
    55,366.08x = 76,415 × 32,703.60
  4. Step 4: Simplify right side
    55,366.08x = 2,499,045,594
  5. Step 5: Solve for x
    x = 2,499,045,594/55,366.08
  6. Step 6: Final answer
    x = 45,136.76

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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.