Home / 97,442.42-145,741.32-57,365.90

Finding the Fourth Proportional to 97,442.42, 145,741.32 and 57,365.90

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Solution

The fourth proportional to 97,442.42, 145,741.32 and 57,365.90 is: 85,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,442.42 : 145,741.32 = 57,365.90 : x
  2. Step 2: Convert to fraction form
    97,442.42/145,741.32 = 57,365.90/x
  3. Step 3: Cross multiply
    97,442.42x = 145,741.32 × 57,365.90
  4. Step 4: Simplify right side
    97,442.42x = 8,360,581,988.99
  5. Step 5: Solve for x
    x = 8,360,581,988.99/97,442.42
  6. Step 6: Final answer
    x = 85,800.23

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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.