Home / 97,070.76-145,606.01-30,516.71

Finding the Fourth Proportional to 97,070.76, 145,606.01 and 30,516.71

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Solution

The fourth proportional to 97,070.76, 145,606.01 and 30,516.71 is: 45,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,070.76 : 145,606.01 = 30,516.71 : x
  2. Step 2: Convert to fraction form
    97,070.76/145,606.01 = 30,516.71/x
  3. Step 3: Cross multiply
    97,070.76x = 145,606.01 × 30,516.71
  4. Step 4: Simplify right side
    97,070.76x = 4,443,415,500.81
  5. Step 5: Solve for x
    x = 4,443,415,500.81/97,070.76
  6. Step 6: Final answer
    x = 45,775.02

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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.