Home / 97,000.56-145,506.98-30,443.32

Finding the Fourth Proportional to 97,000.56, 145,506.98 and 30,443.32

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Solution

The fourth proportional to 97,000.56, 145,506.98 and 30,443.32 is: 45,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,000.56 : 145,506.98 = 30,443.32 : x
  2. Step 2: Convert to fraction form
    97,000.56/145,506.98 = 30,443.32/x
  3. Step 3: Cross multiply
    97,000.56x = 145,506.98 × 30,443.32
  4. Step 4: Simplify right side
    97,000.56x = 4,429,715,403.13
  5. Step 5: Solve for x
    x = 4,429,715,403.13/97,000.56
  6. Step 6: Final answer
    x = 45,666.90

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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.