Home / 124,167.95-171,384.72-76,461.28

Finding the Fourth Proportional to 124,167.95, 171,384.72 and 76,461.28

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Solution

The fourth proportional to 124,167.95, 171,384.72 and 76,461.28 is: 105,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,167.95 : 171,384.72 = 76,461.28 : x
  2. Step 2: Convert to fraction form
    124,167.95/171,384.72 = 76,461.28/x
  3. Step 3: Cross multiply
    124,167.95x = 171,384.72 × 76,461.28
  4. Step 4: Simplify right side
    124,167.95x = 13,104,294,015.56
  5. Step 5: Solve for x
    x = 13,104,294,015.56/124,167.95
  6. Step 6: Final answer
    x = 105,536.85

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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.