Home / 112,558.68-155,325.84-61,570.68

Finding the Fourth Proportional to 112,558.68, 155,325.84 and 61,570.68

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Solution

The fourth proportional to 112,558.68, 155,325.84 and 61,570.68 is: 84,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,558.68 : 155,325.84 = 61,570.68 : x
  2. Step 2: Convert to fraction form
    112,558.68/155,325.84 = 61,570.68/x
  3. Step 3: Cross multiply
    112,558.68x = 155,325.84 × 61,570.68
  4. Step 4: Simplify right side
    112,558.68x = 9,563,517,590.37
  5. Step 5: Solve for x
    x = 9,563,517,590.37/112,558.68
  6. Step 6: Final answer
    x = 84,964.73

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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.