Home / 62,219.53-85,901.07-38,378.80

Finding the Fourth Proportional to 62,219.53, 85,901.07 and 38,378.80

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Solution

The fourth proportional to 62,219.53, 85,901.07 and 38,378.80 is: 52,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,219.53 : 85,901.07 = 38,378.80 : x
  2. Step 2: Convert to fraction form
    62,219.53/85,901.07 = 38,378.80/x
  3. Step 3: Cross multiply
    62,219.53x = 85,901.07 × 38,378.80
  4. Step 4: Simplify right side
    62,219.53x = 3,296,779,985.32
  5. Step 5: Solve for x
    x = 3,296,779,985.32/62,219.53
  6. Step 6: Final answer
    x = 52,986.26

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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.