Home / 71,356.24-98,474.04-43,056.40

Finding the Fourth Proportional to 71,356.24, 98,474.04 and 43,056.40

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Solution

The fourth proportional to 71,356.24, 98,474.04 and 43,056.40 is: 59,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,356.24 : 98,474.04 = 43,056.40 : x
  2. Step 2: Convert to fraction form
    71,356.24/98,474.04 = 43,056.40/x
  3. Step 3: Cross multiply
    71,356.24x = 98,474.04 × 43,056.40
  4. Step 4: Simplify right side
    71,356.24x = 4,239,937,655.86
  5. Step 5: Solve for x
    x = 4,239,937,655.86/71,356.24
  6. Step 6: Final answer
    x = 59,419.30

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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.