Home / 94,119.36-129,878.80-51,674.28

Finding the Fourth Proportional to 94,119.36, 129,878.80 and 51,674.28

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Solution

The fourth proportional to 94,119.36, 129,878.80 and 51,674.28 is: 71,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,119.36 : 129,878.80 = 51,674.28 : x
  2. Step 2: Convert to fraction form
    94,119.36/129,878.80 = 51,674.28/x
  3. Step 3: Cross multiply
    94,119.36x = 129,878.80 × 51,674.28
  4. Step 4: Simplify right side
    94,119.36x = 6,711,393,477.26
  5. Step 5: Solve for x
    x = 6,711,393,477.26/94,119.36
  6. Step 6: Final answer
    x = 71,307.26

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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.