Home / 65,668.16-90,621.60-35,860.16

Finding the Fourth Proportional to 65,668.16, 90,621.60 and 35,860.16

Calculator

Solution

The fourth proportional to 65,668.16, 90,621.60 and 35,860.16 is: 49,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,668.16 : 90,621.60 = 35,860.16 : x
  2. Step 2: Convert to fraction form
    65,668.16/90,621.60 = 35,860.16/x
  3. Step 3: Cross multiply
    65,668.16x = 90,621.60 × 35,860.16
  4. Step 4: Simplify right side
    65,668.16x = 3,249,705,075.46
  5. Step 5: Solve for x
    x = 3,249,705,075.46/65,668.16
  6. Step 6: Final answer
    x = 49,486.77

Related Problems

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.