Home / 81,274.32-112,051.08-58,594.32

Finding the Fourth Proportional to 81,274.32, 112,051.08 and 58,594.32

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Solution

The fourth proportional to 81,274.32, 112,051.08 and 58,594.32 is: 80,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,274.32 : 112,051.08 = 58,594.32 : x
  2. Step 2: Convert to fraction form
    81,274.32/112,051.08 = 58,594.32/x
  3. Step 3: Cross multiply
    81,274.32x = 112,051.08 × 58,594.32
  4. Step 4: Simplify right side
    81,274.32x = 6,565,556,837.87
  5. Step 5: Solve for x
    x = 6,565,556,837.87/81,274.32
  6. Step 6: Final answer
    x = 80,782.67

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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.