Home / 64,685.06-89,258.16-36,390.14

Finding the Fourth Proportional to 64,685.06, 89,258.16 and 36,390.14

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Solution

The fourth proportional to 64,685.06, 89,258.16 and 36,390.14 is: 50,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,685.06 : 89,258.16 = 36,390.14 : x
  2. Step 2: Convert to fraction form
    64,685.06/89,258.16 = 36,390.14/x
  3. Step 3: Cross multiply
    64,685.06x = 89,258.16 × 36,390.14
  4. Step 4: Simplify right side
    64,685.06x = 3,248,116,938.54
  5. Step 5: Solve for x
    x = 3,248,116,938.54/64,685.06
  6. Step 6: Final answer
    x = 50,214.33

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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.