Home / 88,611.00-122,214.06-56,782.86

Finding the Fourth Proportional to 88,611.00, 122,214.06 and 56,782.86

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Solution

The fourth proportional to 88,611.00, 122,214.06 and 56,782.86 is: 78,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,611.00 : 122,214.06 = 56,782.86 : x
  2. Step 2: Convert to fraction form
    88,611.00/122,214.06 = 56,782.86/x
  3. Step 3: Cross multiply
    88,611.00x = 122,214.06 × 56,782.86
  4. Step 4: Simplify right side
    88,611.00x = 6,939,663,400.71
  5. Step 5: Solve for x
    x = 6,939,663,400.71/88,611.00
  6. Step 6: Final answer
    x = 78,316.05

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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.