Home / 60,123.09-90,196.94-20,675.08

Finding the Fourth Proportional to 60,123.09, 90,196.94 and 20,675.08

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Solution

The fourth proportional to 60,123.09, 90,196.94 and 20,675.08 is: 31,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,123.09 : 90,196.94 = 20,675.08 : x
  2. Step 2: Convert to fraction form
    60,123.09/90,196.94 = 20,675.08/x
  3. Step 3: Cross multiply
    60,123.09x = 90,196.94 × 20,675.08
  4. Step 4: Simplify right side
    60,123.09x = 1,864,828,950.26
  5. Step 5: Solve for x
    x = 1,864,828,950.26/60,123.09
  6. Step 6: Final answer
    x = 31,016.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.