Home / 90,471.03-124,768.27-56,482.62

Finding the Fourth Proportional to 90,471.03, 124,768.27 and 56,482.62

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Solution

The fourth proportional to 90,471.03, 124,768.27 and 56,482.62 is: 77,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,471.03 : 124,768.27 = 56,482.62 : x
  2. Step 2: Convert to fraction form
    90,471.03/124,768.27 = 56,482.62/x
  3. Step 3: Cross multiply
    90,471.03x = 124,768.27 × 56,482.62
  4. Step 4: Simplify right side
    90,471.03x = 7,047,238,544.05
  5. Step 5: Solve for x
    x = 7,047,238,544.05/90,471.03
  6. Step 6: Final answer
    x = 77,894.98

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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.