Home / 65,740.26-90,729.56-37,065.45

Finding the Fourth Proportional to 65,740.26, 90,729.56 and 37,065.45

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Solution

The fourth proportional to 65,740.26, 90,729.56 and 37,065.45 is: 51,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,740.26 : 90,729.56 = 37,065.45 : x
  2. Step 2: Convert to fraction form
    65,740.26/90,729.56 = 37,065.45/x
  3. Step 3: Cross multiply
    65,740.26x = 90,729.56 × 37,065.45
  4. Step 4: Simplify right side
    65,740.26x = 3,362,931,631.63
  5. Step 5: Solve for x
    x = 3,362,931,631.63/65,740.26
  6. Step 6: Final answer
    x = 51,154.82

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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.