Home / 94,660.57-130,566.53-56,390.64

Finding the Fourth Proportional to 94,660.57, 130,566.53 and 56,390.64

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Solution

The fourth proportional to 94,660.57, 130,566.53 and 56,390.64 is: 77,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,660.57 : 130,566.53 = 56,390.64 : x
  2. Step 2: Convert to fraction form
    94,660.57/130,566.53 = 56,390.64/x
  3. Step 3: Cross multiply
    94,660.57x = 130,566.53 × 56,390.64
  4. Step 4: Simplify right side
    94,660.57x = 7,362,730,189.28
  5. Step 5: Solve for x
    x = 7,362,730,189.28/94,660.57
  6. Step 6: Final answer
    x = 77,780.33

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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.