Home / 94,134.90-130,021.95-70,367.70

Finding the Fourth Proportional to 94,134.90, 130,021.95 and 70,367.70

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Solution

The fourth proportional to 94,134.90, 130,021.95 and 70,367.70 is: 97,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,134.90 : 130,021.95 = 70,367.70 : x
  2. Step 2: Convert to fraction form
    94,134.90/130,021.95 = 70,367.70/x
  3. Step 3: Cross multiply
    94,134.90x = 130,021.95 × 70,367.70
  4. Step 4: Simplify right side
    94,134.90x = 9,149,345,571.02
  5. Step 5: Solve for x
    x = 9,149,345,571.02/94,134.90
  6. Step 6: Final answer
    x = 97,193.98

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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.