Home / 94,690.80-142,036.20-53,132.40

Finding the Fourth Proportional to 94,690.80, 142,036.20 and 53,132.40

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Solution

The fourth proportional to 94,690.80, 142,036.20 and 53,132.40 is: 79,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.80 : 142,036.20 = 53,132.40 : x
  2. Step 2: Convert to fraction form
    94,690.80/142,036.20 = 53,132.40/x
  3. Step 3: Cross multiply
    94,690.80x = 142,036.20 × 53,132.40
  4. Step 4: Simplify right side
    94,690.80x = 7,546,724,192.88
  5. Step 5: Solve for x
    x = 7,546,724,192.88/94,690.80
  6. Step 6: Final answer
    x = 79,698.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.