Home / 88,611.30-122,214.50-56,783.16

Finding the Fourth Proportional to 88,611.30, 122,214.50 and 56,783.16

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Solution

The fourth proportional to 88,611.30, 122,214.50 and 56,783.16 is: 78,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,611.30 : 122,214.50 = 56,783.16 : x
  2. Step 2: Convert to fraction form
    88,611.30/122,214.50 = 56,783.16/x
  3. Step 3: Cross multiply
    88,611.30x = 122,214.50 × 56,783.16
  4. Step 4: Simplify right side
    88,611.30x = 6,939,725,507.82
  5. Step 5: Solve for x
    x = 6,939,725,507.82/88,611.30
  6. Step 6: Final answer
    x = 78,316.48

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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.