Home / 70,923.24-97,870.21-39,089.63

Finding the Fourth Proportional to 70,923.24, 97,870.21 and 39,089.63

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Solution

The fourth proportional to 70,923.24, 97,870.21 and 39,089.63 is: 53,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,923.24 : 97,870.21 = 39,089.63 : x
  2. Step 2: Convert to fraction form
    70,923.24/97,870.21 = 39,089.63/x
  3. Step 3: Cross multiply
    70,923.24x = 97,870.21 × 39,089.63
  4. Step 4: Simplify right side
    70,923.24x = 3,825,710,443.87
  5. Step 5: Solve for x
    x = 3,825,710,443.87/70,923.24
  6. Step 6: Final answer
    x = 53,941.56

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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.