Home / 94,208.10-130,007.65-51,187.70

Finding the Fourth Proportional to 94,208.10, 130,007.65 and 51,187.70

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Solution

The fourth proportional to 94,208.10, 130,007.65 and 51,187.70 is: 70,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,208.10 : 130,007.65 = 51,187.70 : x
  2. Step 2: Convert to fraction form
    94,208.10/130,007.65 = 51,187.70/x
  3. Step 3: Cross multiply
    94,208.10x = 130,007.65 × 51,187.70
  4. Step 4: Simplify right side
    94,208.10x = 6,654,791,999.85
  5. Step 5: Solve for x
    x = 6,654,791,999.85/94,208.10
  6. Step 6: Final answer
    x = 70,639.28

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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.