Home / 54,133.69-74,719.59-37,140.70

Finding the Fourth Proportional to 54,133.69, 74,719.59 and 37,140.70

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Solution

The fourth proportional to 54,133.69, 74,719.59 and 37,140.70 is: 51,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,133.69 : 74,719.59 = 37,140.70 : x
  2. Step 2: Convert to fraction form
    54,133.69/74,719.59 = 37,140.70/x
  3. Step 3: Cross multiply
    54,133.69x = 74,719.59 × 37,140.70
  4. Step 4: Simplify right side
    54,133.69x = 2,775,137,690.61
  5. Step 5: Solve for x
    x = 2,775,137,690.61/54,133.69
  6. Step 6: Final answer
    x = 51,264.52

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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.