Home / 71,386.16-98,512.68-46,279.28

Finding the Fourth Proportional to 71,386.16, 98,512.68 and 46,279.28

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Solution

The fourth proportional to 71,386.16, 98,512.68 and 46,279.28 is: 63,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,386.16 : 98,512.68 = 46,279.28 : x
  2. Step 2: Convert to fraction form
    71,386.16/98,512.68 = 46,279.28/x
  3. Step 3: Cross multiply
    71,386.16x = 98,512.68 × 46,279.28
  4. Step 4: Simplify right side
    71,386.16x = 4,559,095,901.27
  5. Step 5: Solve for x
    x = 4,559,095,901.27/71,386.16
  6. Step 6: Final answer
    x = 63,865.26

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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.