Home / 71,325.26-98,430.40-39,061.24

Finding the Fourth Proportional to 71,325.26, 98,430.40 and 39,061.24

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Solution

The fourth proportional to 71,325.26, 98,430.40 and 39,061.24 is: 53,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,325.26 : 98,430.40 = 39,061.24 : x
  2. Step 2: Convert to fraction form
    71,325.26/98,430.40 = 39,061.24/x
  3. Step 3: Cross multiply
    71,325.26x = 98,430.40 × 39,061.24
  4. Step 4: Simplify right side
    71,325.26x = 3,844,813,477.70
  5. Step 5: Solve for x
    x = 3,844,813,477.70/71,325.26
  6. Step 6: Final answer
    x = 53,905.36

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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.