Home / 74,168.32-102,275.58-51,532.96

Finding the Fourth Proportional to 74,168.32, 102,275.58 and 51,532.96

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Solution

The fourth proportional to 74,168.32, 102,275.58 and 51,532.96 is: 71,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,168.32 : 102,275.58 = 51,532.96 : x
  2. Step 2: Convert to fraction form
    74,168.32/102,275.58 = 51,532.96/x
  3. Step 3: Cross multiply
    74,168.32x = 102,275.58 × 51,532.96
  4. Step 4: Simplify right side
    74,168.32x = 5,270,563,373.12
  5. Step 5: Solve for x
    x = 5,270,563,373.12/74,168.32
  6. Step 6: Final answer
    x = 71,062.19

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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.