Home / 94,620.78-130,570.74-54,306.18

Finding the Fourth Proportional to 94,620.78, 130,570.74 and 54,306.18

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Solution

The fourth proportional to 94,620.78, 130,570.74 and 54,306.18 is: 74,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,620.78 : 130,570.74 = 54,306.18 : x
  2. Step 2: Convert to fraction form
    94,620.78/130,570.74 = 54,306.18/x
  3. Step 3: Cross multiply
    94,620.78x = 130,570.74 × 54,306.18
  4. Step 4: Simplify right side
    94,620.78x = 7,090,798,109.17
  5. Step 5: Solve for x
    x = 7,090,798,109.17/94,620.78
  6. Step 6: Final answer
    x = 74,939.12

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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.