Home / 75,065.24-103,675.07-51,150.40

Finding the Fourth Proportional to 75,065.24, 103,675.07 and 51,150.40

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Solution

The fourth proportional to 75,065.24, 103,675.07 and 51,150.40 is: 70,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,065.24 : 103,675.07 = 51,150.40 : x
  2. Step 2: Convert to fraction form
    75,065.24/103,675.07 = 51,150.40/x
  3. Step 3: Cross multiply
    75,065.24x = 103,675.07 × 51,150.40
  4. Step 4: Simplify right side
    75,065.24x = 5,303,021,300.53
  5. Step 5: Solve for x
    x = 5,303,021,300.53/75,065.24
  6. Step 6: Final answer
    x = 70,645.50

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1.5x scale

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.