Home / 52,483.66-72,435-31,263.28

Finding the Fourth Proportional to 52,483.66, 72,435 and 31,263.28

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Solution

The fourth proportional to 52,483.66, 72,435 and 31,263.28 is: 43,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,483.66 : 72,435 = 31,263.28 : x
  2. Step 2: Convert to fraction form
    52,483.66/72,435 = 31,263.28/x
  3. Step 3: Cross multiply
    52,483.66x = 72,435 × 31,263.28
  4. Step 4: Simplify right side
    52,483.66x = 2,264,555,686.80
  5. Step 5: Solve for x
    x = 2,264,555,686.80/52,483.66
  6. Step 6: Final answer
    x = 43,147.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.