Home / 94,334.10-130,254.16-72,495.80

Finding the Fourth Proportional to 94,334.10, 130,254.16 and 72,495.80

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Solution

The fourth proportional to 94,334.10, 130,254.16 and 72,495.80 is: 100,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,334.10 : 130,254.16 = 72,495.80 : x
  2. Step 2: Convert to fraction form
    94,334.10/130,254.16 = 72,495.80/x
  3. Step 3: Cross multiply
    94,334.10x = 130,254.16 × 72,495.80
  4. Step 4: Simplify right side
    94,334.10x = 9,442,879,532.53
  5. Step 5: Solve for x
    x = 9,442,879,532.53/94,334.10
  6. Step 6: Final answer
    x = 100,100.38

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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.