Home / 55,197.95-76,173.15-30,047.45

Finding the Fourth Proportional to 55,197.95, 76,173.15 and 30,047.45

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Solution

The fourth proportional to 55,197.95, 76,173.15 and 30,047.45 is: 41,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,197.95 : 76,173.15 = 30,047.45 : x
  2. Step 2: Convert to fraction form
    55,197.95/76,173.15 = 30,047.45/x
  3. Step 3: Cross multiply
    55,197.95x = 76,173.15 × 30,047.45
  4. Step 4: Simplify right side
    55,197.95x = 2,288,808,535.10
  5. Step 5: Solve for x
    x = 2,288,808,535.10/55,197.95
  6. Step 6: Final answer
    x = 41,465.47

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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.