Home / 92,782.14-128,039.36-50,340.67

Finding the Fourth Proportional to 92,782.14, 128,039.36 and 50,340.67

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Solution

The fourth proportional to 92,782.14, 128,039.36 and 50,340.67 is: 69,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,782.14 : 128,039.36 = 50,340.67 : x
  2. Step 2: Convert to fraction form
    92,782.14/128,039.36 = 50,340.67/x
  3. Step 3: Cross multiply
    92,782.14x = 128,039.36 × 50,340.67
  4. Step 4: Simplify right side
    92,782.14x = 6,445,587,168.77
  5. Step 5: Solve for x
    x = 6,445,587,168.77/92,782.14
  6. Step 6: Final answer
    x = 69,470.13

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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.