Home / 89,783.39-134,714.75-47,078.63

Finding the Fourth Proportional to 89,783.39, 134,714.75 and 47,078.63

Calculator

Solution

The fourth proportional to 89,783.39, 134,714.75 and 47,078.63 is: 70,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,783.39 : 134,714.75 = 47,078.63 : x
  2. Step 2: Convert to fraction form
    89,783.39/134,714.75 = 47,078.63/x
  3. Step 3: Cross multiply
    89,783.39x = 134,714.75 × 47,078.63
  4. Step 4: Simplify right side
    89,783.39x = 6,342,184,961.83
  5. Step 5: Solve for x
    x = 6,342,184,961.83/89,783.39
  6. Step 6: Final answer
    x = 70,638.74

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.