Home / 70,321.47-97,024.43-40,095.76

Finding the Fourth Proportional to 70,321.47, 97,024.43 and 40,095.76

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Solution

The fourth proportional to 70,321.47, 97,024.43 and 40,095.76 is: 55,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.47 : 97,024.43 = 40,095.76 : x
  2. Step 2: Convert to fraction form
    70,321.47/97,024.43 = 40,095.76/x
  3. Step 3: Cross multiply
    70,321.47x = 97,024.43 × 40,095.76
  4. Step 4: Simplify right side
    70,321.47x = 3,890,268,299.02
  5. Step 5: Solve for x
    x = 3,890,268,299.02/70,321.47
  6. Step 6: Final answer
    x = 55,321.21

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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.