Home / 77,028.34-106,299.24-43,036.89

Finding the Fourth Proportional to 77,028.34, 106,299.24 and 43,036.89

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Solution

The fourth proportional to 77,028.34, 106,299.24 and 43,036.89 is: 59,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,028.34 : 106,299.24 = 43,036.89 : x
  2. Step 2: Convert to fraction form
    77,028.34/106,299.24 = 43,036.89/x
  3. Step 3: Cross multiply
    77,028.34x = 106,299.24 × 43,036.89
  4. Step 4: Simplify right side
    77,028.34x = 4,574,788,698.96
  5. Step 5: Solve for x
    x = 4,574,788,698.96/77,028.34
  6. Step 6: Final answer
    x = 59,390.98

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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.