Home / 61,487.81-84,674.51-53,417.78

Finding the Fourth Proportional to 61,487.81, 84,674.51 and 53,417.78

Calculator

Solution

The fourth proportional to 61,487.81, 84,674.51 and 53,417.78 is: 73,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,487.81 : 84,674.51 = 53,417.78 : x
  2. Step 2: Convert to fraction form
    61,487.81/84,674.51 = 53,417.78/x
  3. Step 3: Cross multiply
    61,487.81x = 84,674.51 × 53,417.78
  4. Step 4: Simplify right side
    61,487.81x = 4,523,124,474.65
  5. Step 5: Solve for x
    x = 4,523,124,474.65/61,487.81
  6. Step 6: Final answer
    x = 73,561.32

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.