Home / 53,031.24-79,583.04-28,070.28

Finding the Fourth Proportional to 53,031.24, 79,583.04 and 28,070.28

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Solution

The fourth proportional to 53,031.24, 79,583.04 and 28,070.28 is: 42,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,031.24 : 79,583.04 = 28,070.28 : x
  2. Step 2: Convert to fraction form
    53,031.24/79,583.04 = 28,070.28/x
  3. Step 3: Cross multiply
    53,031.24x = 79,583.04 × 28,070.28
  4. Step 4: Simplify right side
    53,031.24x = 2,233,918,216.05
  5. Step 5: Solve for x
    x = 2,233,918,216.05/53,031.24
  6. Step 6: Final answer
    x = 42,124.57

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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.