Home / 55,271.08-82,931.10-28,969.54

Finding the Fourth Proportional to 55,271.08, 82,931.10 and 28,969.54

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Solution

The fourth proportional to 55,271.08, 82,931.10 and 28,969.54 is: 43,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.08 : 82,931.10 = 28,969.54 : x
  2. Step 2: Convert to fraction form
    55,271.08/82,931.10 = 28,969.54/x
  3. Step 3: Cross multiply
    55,271.08x = 82,931.10 × 28,969.54
  4. Step 4: Simplify right side
    55,271.08x = 2,402,475,818.69
  5. Step 5: Solve for x
    x = 2,402,475,818.69/55,271.08
  6. Step 6: Final answer
    x = 43,467.14

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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.