Home / 71,316.06-98,409.33-42,630.03

Finding the Fourth Proportional to 71,316.06, 98,409.33 and 42,630.03

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Solution

The fourth proportional to 71,316.06, 98,409.33 and 42,630.03 is: 58,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,316.06 : 98,409.33 = 42,630.03 : x
  2. Step 2: Convert to fraction form
    71,316.06/98,409.33 = 42,630.03/x
  3. Step 3: Cross multiply
    71,316.06x = 98,409.33 × 42,630.03
  4. Step 4: Simplify right side
    71,316.06x = 4,195,192,690.18
  5. Step 5: Solve for x
    x = 4,195,192,690.18/71,316.06
  6. Step 6: Final answer
    x = 58,825.36

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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.