Home / 116,347.08-160,554.70-71,100.78

Finding the Fourth Proportional to 116,347.08, 160,554.70 and 71,100.78

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Solution

The fourth proportional to 116,347.08, 160,554.70 and 71,100.78 is: 98,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,347.08 : 160,554.70 = 71,100.78 : x
  2. Step 2: Convert to fraction form
    116,347.08/160,554.70 = 71,100.78/x
  3. Step 3: Cross multiply
    116,347.08x = 160,554.70 × 71,100.78
  4. Step 4: Simplify right side
    116,347.08x = 11,415,564,402.67
  5. Step 5: Solve for x
    x = 11,415,564,402.67/116,347.08
  6. Step 6: Final answer
    x = 98,116.47

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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.