Home / 74,915.28-103,386.23-43,084.21

Finding the Fourth Proportional to 74,915.28, 103,386.23 and 43,084.21

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Solution

The fourth proportional to 74,915.28, 103,386.23 and 43,084.21 is: 59,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,915.28 : 103,386.23 = 43,084.21 : x
  2. Step 2: Convert to fraction form
    74,915.28/103,386.23 = 43,084.21/x
  3. Step 3: Cross multiply
    74,915.28x = 103,386.23 × 43,084.21
  4. Step 4: Simplify right side
    74,915.28x = 4,454,313,974.46
  5. Step 5: Solve for x
    x = 4,454,313,974.46/74,915.28
  6. Step 6: Final answer
    x = 59,458.01

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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.