Home / 277,031.46-415,547.27-66,669.40

Finding the Fourth Proportional to 277,031.46, 415,547.27 and 66,669.40

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Solution

The fourth proportional to 277,031.46, 415,547.27 and 66,669.40 is: 100,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,031.46 : 415,547.27 = 66,669.40 : x
  2. Step 2: Convert to fraction form
    277,031.46/415,547.27 = 66,669.40/x
  3. Step 3: Cross multiply
    277,031.46x = 415,547.27 × 66,669.40
  4. Step 4: Simplify right side
    277,031.46x = 27,704,287,598.64
  5. Step 5: Solve for x
    x = 27,704,287,598.64/277,031.46
  6. Step 6: Final answer
    x = 100,004.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.