Home / 66,460.68-91,712.09-37,776.35

Finding the Fourth Proportional to 66,460.68, 91,712.09 and 37,776.35

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Solution

The fourth proportional to 66,460.68, 91,712.09 and 37,776.35 is: 52,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.68 : 91,712.09 = 37,776.35 : x
  2. Step 2: Convert to fraction form
    66,460.68/91,712.09 = 37,776.35/x
  3. Step 3: Cross multiply
    66,460.68x = 91,712.09 × 37,776.35
  4. Step 4: Simplify right side
    66,460.68x = 3,464,547,811.24
  5. Step 5: Solve for x
    x = 3,464,547,811.24/66,460.68
  6. Step 6: Final answer
    x = 52,129.29

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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.