Home / 90,779.48-125,273.87-50,492.37

Finding the Fourth Proportional to 90,779.48, 125,273.87 and 50,492.37

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Solution

The fourth proportional to 90,779.48, 125,273.87 and 50,492.37 is: 69,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,779.48 : 125,273.87 = 50,492.37 : x
  2. Step 2: Convert to fraction form
    90,779.48/125,273.87 = 50,492.37/x
  3. Step 3: Cross multiply
    90,779.48x = 125,273.87 × 50,492.37
  4. Step 4: Simplify right side
    90,779.48x = 6,325,374,595.37
  5. Step 5: Solve for x
    x = 6,325,374,595.37/90,779.48
  6. Step 6: Final answer
    x = 69,678.46

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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.