Home / 66,225.33-91,389.03-37,547.64

Finding the Fourth Proportional to 66,225.33, 91,389.03 and 37,547.64

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Solution

The fourth proportional to 66,225.33, 91,389.03 and 37,547.64 is: 51,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,225.33 : 91,389.03 = 37,547.64 : x
  2. Step 2: Convert to fraction form
    66,225.33/91,389.03 = 37,547.64/x
  3. Step 3: Cross multiply
    66,225.33x = 91,389.03 × 37,547.64
  4. Step 4: Simplify right side
    66,225.33x = 3,431,442,398.39
  5. Step 5: Solve for x
    x = 3,431,442,398.39/66,225.33
  6. Step 6: Final answer
    x = 51,814.65

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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.