Home / 94,113.40-129,839.45-53,805.51

Finding the Fourth Proportional to 94,113.40, 129,839.45 and 53,805.51

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Solution

The fourth proportional to 94,113.40, 129,839.45 and 53,805.51 is: 74,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,113.40 : 129,839.45 = 53,805.51 : x
  2. Step 2: Convert to fraction form
    94,113.40/129,839.45 = 53,805.51/x
  3. Step 3: Cross multiply
    94,113.40x = 129,839.45 × 53,805.51
  4. Step 4: Simplify right side
    94,113.40x = 6,986,077,176.17
  5. Step 5: Solve for x
    x = 6,986,077,176.17/94,113.40
  6. Step 6: Final answer
    x = 74,230.42

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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.