Home / 65,605.07-90,547.36-41,087.25

Finding the Fourth Proportional to 65,605.07, 90,547.36 and 41,087.25

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Solution

The fourth proportional to 65,605.07, 90,547.36 and 41,087.25 is: 56,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,605.07 : 90,547.36 = 41,087.25 : x
  2. Step 2: Convert to fraction form
    65,605.07/90,547.36 = 41,087.25/x
  3. Step 3: Cross multiply
    65,605.07x = 90,547.36 × 41,087.25
  4. Step 4: Simplify right side
    65,605.07x = 3,720,341,358.99
  5. Step 5: Solve for x
    x = 3,720,341,358.99/65,605.07
  6. Step 6: Final answer
    x = 56,708.14

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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.