Home / 92,820.03-128,091.76-50,378.58

Finding the Fourth Proportional to 92,820.03, 128,091.76 and 50,378.58

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Solution

The fourth proportional to 92,820.03, 128,091.76 and 50,378.58 is: 69,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,820.03 : 128,091.76 = 50,378.58 : x
  2. Step 2: Convert to fraction form
    92,820.03/128,091.76 = 50,378.58/x
  3. Step 3: Cross multiply
    92,820.03x = 128,091.76 × 50,378.58
  4. Step 4: Simplify right side
    92,820.03x = 6,453,080,978.50
  5. Step 5: Solve for x
    x = 6,453,080,978.50/92,820.03
  6. Step 6: Final answer
    x = 69,522.50

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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.