Home / 52,729.95-72,756.08-31,226.45

Finding the Fourth Proportional to 52,729.95, 72,756.08 and 31,226.45

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Solution

The fourth proportional to 52,729.95, 72,756.08 and 31,226.45 is: 43,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.95 : 72,756.08 = 31,226.45 : x
  2. Step 2: Convert to fraction form
    52,729.95/72,756.08 = 31,226.45/x
  3. Step 3: Cross multiply
    52,729.95x = 72,756.08 × 31,226.45
  4. Step 4: Simplify right side
    52,729.95x = 2,271,914,237.17
  5. Step 5: Solve for x
    x = 2,271,914,237.17/52,729.95
  6. Step 6: Final answer
    x = 43,085.84

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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.