Home / 96,421.80-144,632.70-61,516.20

Finding the Fourth Proportional to 96,421.80, 144,632.70 and 61,516.20

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Solution

The fourth proportional to 96,421.80, 144,632.70 and 61,516.20 is: 92,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,421.80 : 144,632.70 = 61,516.20 : x
  2. Step 2: Convert to fraction form
    96,421.80/144,632.70 = 61,516.20/x
  3. Step 3: Cross multiply
    96,421.80x = 144,632.70 × 61,516.20
  4. Step 4: Simplify right side
    96,421.80x = 8,897,254,099.74
  5. Step 5: Solve for x
    x = 8,897,254,099.74/96,421.80
  6. Step 6: Final answer
    x = 92,274.30

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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.