Home / 113,678.74-156,877.66-62,693.49

Finding the Fourth Proportional to 113,678.74, 156,877.66 and 62,693.49

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Solution

The fourth proportional to 113,678.74, 156,877.66 and 62,693.49 is: 86,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,678.74 : 156,877.66 = 62,693.49 : x
  2. Step 2: Convert to fraction form
    113,678.74/156,877.66 = 62,693.49/x
  3. Step 3: Cross multiply
    113,678.74x = 156,877.66 × 62,693.49
  4. Step 4: Simplify right side
    113,678.74x = 9,835,208,675.09
  5. Step 5: Solve for x
    x = 9,835,208,675.09/113,678.74
  6. Step 6: Final answer
    x = 86,517.57

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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.