Home / 52,282.56-77,870.40-52,027.68

Finding the Fourth Proportional to 52,282.56, 77,870.40 and 52,027.68

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Solution

The fourth proportional to 52,282.56, 77,870.40 and 52,027.68 is: 77,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,282.56 : 77,870.40 = 52,027.68 : x
  2. Step 2: Convert to fraction form
    52,282.56/77,870.40 = 52,027.68/x
  3. Step 3: Cross multiply
    52,282.56x = 77,870.40 × 52,027.68
  4. Step 4: Simplify right side
    52,282.56x = 4,051,416,252.67
  5. Step 5: Solve for x
    x = 4,051,416,252.67/52,282.56
  6. Step 6: Final answer
    x = 77,490.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.