Home / 56,420.30-77,857.28-32,554.68

Finding the Fourth Proportional to 56,420.30, 77,857.28 and 32,554.68

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Solution

The fourth proportional to 56,420.30, 77,857.28 and 32,554.68 is: 44,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,420.30 : 77,857.28 = 32,554.68 : x
  2. Step 2: Convert to fraction form
    56,420.30/77,857.28 = 32,554.68/x
  3. Step 3: Cross multiply
    56,420.30x = 77,857.28 × 32,554.68
  4. Step 4: Simplify right side
    56,420.30x = 2,534,618,836.07
  5. Step 5: Solve for x
    x = 2,534,618,836.07/56,420.30
  6. Step 6: Final answer
    x = 44,923.88

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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.