Home / 98,520.26-147,802-31,967.12

Finding the Fourth Proportional to 98,520.26, 147,802 and 31,967.12

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Solution

The fourth proportional to 98,520.26, 147,802 and 31,967.12 is: 47,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,520.26 : 147,802 = 31,967.12 : x
  2. Step 2: Convert to fraction form
    98,520.26/147,802 = 31,967.12/x
  3. Step 3: Cross multiply
    98,520.26x = 147,802 × 31,967.12
  4. Step 4: Simplify right side
    98,520.26x = 4,724,804,270.24
  5. Step 5: Solve for x
    x = 4,724,804,270.24/98,520.26
  6. Step 6: Final answer
    x = 47,957.69

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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.