Home / 62,631.73-93,946.51-21,078.73

Finding the Fourth Proportional to 62,631.73, 93,946.51 and 21,078.73

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Solution

The fourth proportional to 62,631.73, 93,946.51 and 21,078.73 is: 31,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,631.73 : 93,946.51 = 21,078.73 : x
  2. Step 2: Convert to fraction form
    62,631.73/93,946.51 = 21,078.73/x
  3. Step 3: Cross multiply
    62,631.73x = 93,946.51 × 21,078.73
  4. Step 4: Simplify right side
    62,631.73x = 1,980,272,831.17
  5. Step 5: Solve for x
    x = 1,980,272,831.17/62,631.73
  6. Step 6: Final answer
    x = 31,617.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.