Home / 46,948.16-70,422.40-11,887.80

Finding the Fourth Proportional to 46,948.16, 70,422.40 and 11,887.80

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Solution

The fourth proportional to 46,948.16, 70,422.40 and 11,887.80 is: 17,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,948.16 : 70,422.40 = 11,887.80 : x
  2. Step 2: Convert to fraction form
    46,948.16/70,422.40 = 11,887.80/x
  3. Step 3: Cross multiply
    46,948.16x = 70,422.40 × 11,887.80
  4. Step 4: Simplify right side
    46,948.16x = 837,167,406.72
  5. Step 5: Solve for x
    x = 837,167,406.72/46,948.16
  6. Step 6: Final answer
    x = 17,831.74

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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.