Home / 97,002.56-145,509.98-30,445.32

Finding the Fourth Proportional to 97,002.56, 145,509.98 and 30,445.32

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Solution

The fourth proportional to 97,002.56, 145,509.98 and 30,445.32 is: 45,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,002.56 : 145,509.98 = 30,445.32 : x
  2. Step 2: Convert to fraction form
    97,002.56/145,509.98 = 30,445.32/x
  3. Step 3: Cross multiply
    97,002.56x = 145,509.98 × 30,445.32
  4. Step 4: Simplify right side
    97,002.56x = 4,430,097,904.29
  5. Step 5: Solve for x
    x = 4,430,097,904.29/97,002.56
  6. Step 6: Final answer
    x = 45,669.91

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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.