Home / 113,679.51-156,875.62-62,696.94

Finding the Fourth Proportional to 113,679.51, 156,875.62 and 62,696.94

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Solution

The fourth proportional to 113,679.51, 156,875.62 and 62,696.94 is: 86,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,679.51 : 156,875.62 = 62,696.94 : x
  2. Step 2: Convert to fraction form
    113,679.51/156,875.62 = 62,696.94/x
  3. Step 3: Cross multiply
    113,679.51x = 156,875.62 × 62,696.94
  4. Step 4: Simplify right side
    113,679.51x = 9,835,621,334.60
  5. Step 5: Solve for x
    x = 9,835,621,334.60/113,679.51
  6. Step 6: Final answer
    x = 86,520.62

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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.