Home / 74,258.37-102,479.18-53,088.21

Finding the Fourth Proportional to 74,258.37, 102,479.18 and 53,088.21

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Solution

The fourth proportional to 74,258.37, 102,479.18 and 53,088.21 is: 73,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,258.37 : 102,479.18 = 53,088.21 : x
  2. Step 2: Convert to fraction form
    74,258.37/102,479.18 = 53,088.21/x
  3. Step 3: Cross multiply
    74,258.37x = 102,479.18 × 53,088.21
  4. Step 4: Simplify right side
    74,258.37x = 5,440,435,963.03
  5. Step 5: Solve for x
    x = 5,440,435,963.03/74,258.37
  6. Step 6: Final answer
    x = 73,263.61

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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.