Home / 82,352.30-113,560.71-70,455.02

Finding the Fourth Proportional to 82,352.30, 113,560.71 and 70,455.02

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Solution

The fourth proportional to 82,352.30, 113,560.71 and 70,455.02 is: 97,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,352.30 : 113,560.71 = 70,455.02 : x
  2. Step 2: Convert to fraction form
    82,352.30/113,560.71 = 70,455.02/x
  3. Step 3: Cross multiply
    82,352.30x = 113,560.71 × 70,455.02
  4. Step 4: Simplify right side
    82,352.30x = 8,000,922,094.26
  5. Step 5: Solve for x
    x = 8,000,922,094.26/82,352.30
  6. Step 6: Final answer
    x = 97,154.81

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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.