Home / 84,831.30-127,246.95-49,839.30

Finding the Fourth Proportional to 84,831.30, 127,246.95 and 49,839.30

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Solution

The fourth proportional to 84,831.30, 127,246.95 and 49,839.30 is: 74,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,831.30 : 127,246.95 = 49,839.30 : x
  2. Step 2: Convert to fraction form
    84,831.30/127,246.95 = 49,839.30/x
  3. Step 3: Cross multiply
    84,831.30x = 127,246.95 × 49,839.30
  4. Step 4: Simplify right side
    84,831.30x = 6,341,898,915.14
  5. Step 5: Solve for x
    x = 6,341,898,915.14/84,831.30
  6. Step 6: Final answer
    x = 74,758.95

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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.