Home / 60,521.36-83,460.84-40,379.06

Finding the Fourth Proportional to 60,521.36, 83,460.84 and 40,379.06

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Solution

The fourth proportional to 60,521.36, 83,460.84 and 40,379.06 is: 55,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,521.36 : 83,460.84 = 40,379.06 : x
  2. Step 2: Convert to fraction form
    60,521.36/83,460.84 = 40,379.06/x
  3. Step 3: Cross multiply
    60,521.36x = 83,460.84 × 40,379.06
  4. Step 4: Simplify right side
    60,521.36x = 3,370,070,266.01
  5. Step 5: Solve for x
    x = 3,370,070,266.01/60,521.36
  6. Step 6: Final answer
    x = 55,683.98

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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.