Home / 55,797.05-77,000.48-30,646.55

Finding the Fourth Proportional to 55,797.05, 77,000.48 and 30,646.55

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Solution

The fourth proportional to 55,797.05, 77,000.48 and 30,646.55 is: 42,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,797.05 : 77,000.48 = 30,646.55 : x
  2. Step 2: Convert to fraction form
    55,797.05/77,000.48 = 30,646.55/x
  3. Step 3: Cross multiply
    55,797.05x = 77,000.48 × 30,646.55
  4. Step 4: Simplify right side
    55,797.05x = 2,359,798,522.11
  5. Step 5: Solve for x
    x = 2,359,798,522.11/55,797.05
  6. Step 6: Final answer
    x = 42,292.54

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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.