Home / 54,482.11-75,192.33-30,608.81

Finding the Fourth Proportional to 54,482.11, 75,192.33 and 30,608.81

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Solution

The fourth proportional to 54,482.11, 75,192.33 and 30,608.81 is: 42,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,482.11 : 75,192.33 = 30,608.81 : x
  2. Step 2: Convert to fraction form
    54,482.11/75,192.33 = 30,608.81/x
  3. Step 3: Cross multiply
    54,482.11x = 75,192.33 × 30,608.81
  4. Step 4: Simplify right side
    54,482.11x = 2,301,547,742.43
  5. Step 5: Solve for x
    x = 2,301,547,742.43/54,482.11
  6. Step 6: Final answer
    x = 42,244.10

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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.