Home / 69,153.21-95,430.15-38,938.41

Finding the Fourth Proportional to 69,153.21, 95,430.15 and 38,938.41

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Solution

The fourth proportional to 69,153.21, 95,430.15 and 38,938.41 is: 53,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,153.21 : 95,430.15 = 38,938.41 : x
  2. Step 2: Convert to fraction form
    69,153.21/95,430.15 = 38,938.41/x
  3. Step 3: Cross multiply
    69,153.21x = 95,430.15 × 38,938.41
  4. Step 4: Simplify right side
    69,153.21x = 3,715,898,307.06
  5. Step 5: Solve for x
    x = 3,715,898,307.06/69,153.21
  6. Step 6: Final answer
    x = 53,734.29

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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.