Home / 103,246.60-142,492.98-62,972.68

Finding the Fourth Proportional to 103,246.60, 142,492.98 and 62,972.68

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Solution

The fourth proportional to 103,246.60, 142,492.98 and 62,972.68 is: 86,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,246.60 : 142,492.98 = 62,972.68 : x
  2. Step 2: Convert to fraction form
    103,246.60/142,492.98 = 62,972.68/x
  3. Step 3: Cross multiply
    103,246.60x = 142,492.98 × 62,972.68
  4. Step 4: Simplify right side
    103,246.60x = 8,973,164,831.79
  5. Step 5: Solve for x
    x = 8,973,164,831.79/103,246.60
  6. Step 6: Final answer
    x = 86,910.03

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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.