Home / 74,211.60-111,317.40-48,842.40

Finding the Fourth Proportional to 74,211.60, 111,317.40 and 48,842.40

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Solution

The fourth proportional to 74,211.60, 111,317.40 and 48,842.40 is: 73,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,211.60 : 111,317.40 = 48,842.40 : x
  2. Step 2: Convert to fraction form
    74,211.60/111,317.40 = 48,842.40/x
  3. Step 3: Cross multiply
    74,211.60x = 111,317.40 × 48,842.40
  4. Step 4: Simplify right side
    74,211.60x = 5,437,008,977.76
  5. Step 5: Solve for x
    x = 5,437,008,977.76/74,211.60
  6. Step 6: Final answer
    x = 73,263.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.