Home / 88,039.04-121,493.28-50,312.96

Finding the Fourth Proportional to 88,039.04, 121,493.28 and 50,312.96

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Solution

The fourth proportional to 88,039.04, 121,493.28 and 50,312.96 is: 69,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,039.04 : 121,493.28 = 50,312.96 : x
  2. Step 2: Convert to fraction form
    88,039.04/121,493.28 = 50,312.96/x
  3. Step 3: Cross multiply
    88,039.04x = 121,493.28 × 50,312.96
  4. Step 4: Simplify right side
    88,039.04x = 6,112,686,536.91
  5. Step 5: Solve for x
    x = 6,112,686,536.91/88,039.04
  6. Step 6: Final answer
    x = 69,431.54

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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.