Home / 94,790.05-130,088.23-85,817.88

Finding the Fourth Proportional to 94,790.05, 130,088.23 and 85,817.88

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Solution

The fourth proportional to 94,790.05, 130,088.23 and 85,817.88 is: 117,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,790.05 : 130,088.23 = 85,817.88 : x
  2. Step 2: Convert to fraction form
    94,790.05/130,088.23 = 85,817.88/x
  3. Step 3: Cross multiply
    94,790.05x = 130,088.23 × 85,817.88
  4. Step 4: Simplify right side
    94,790.05x = 11,163,895,897.01
  5. Step 5: Solve for x
    x = 11,163,895,897.01/94,790.05
  6. Step 6: Final answer
    x = 117,774.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.