Home / 55,212.40-82,818.60-48,870.10

Finding the Fourth Proportional to 55,212.40, 82,818.60 and 48,870.10

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Solution

The fourth proportional to 55,212.40, 82,818.60 and 48,870.10 is: 73,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.40 : 82,818.60 = 48,870.10 : x
  2. Step 2: Convert to fraction form
    55,212.40/82,818.60 = 48,870.10/x
  3. Step 3: Cross multiply
    55,212.40x = 82,818.60 × 48,870.10
  4. Step 4: Simplify right side
    55,212.40x = 4,047,353,263.86
  5. Step 5: Solve for x
    x = 4,047,353,263.86/55,212.40
  6. Step 6: Final answer
    x = 73,305.15

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