Home / 88,401.63-121,973.40-50,152.71

Finding the Fourth Proportional to 88,401.63, 121,973.40 and 50,152.71

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Solution

The fourth proportional to 88,401.63, 121,973.40 and 50,152.71 is: 69,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,401.63 : 121,973.40 = 50,152.71 : x
  2. Step 2: Convert to fraction form
    88,401.63/121,973.40 = 50,152.71/x
  3. Step 3: Cross multiply
    88,401.63x = 121,973.40 × 50,152.71
  4. Step 4: Simplify right side
    88,401.63x = 6,117,296,557.91
  5. Step 5: Solve for x
    x = 6,117,296,557.91/88,401.63
  6. Step 6: Final answer
    x = 69,198.91

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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.