Home / 83,627.10-115,405.02-45,386.82

Finding the Fourth Proportional to 83,627.10, 115,405.02 and 45,386.82

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Solution

The fourth proportional to 83,627.10, 115,405.02 and 45,386.82 is: 62,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,627.10 : 115,405.02 = 45,386.82 : x
  2. Step 2: Convert to fraction form
    83,627.10/115,405.02 = 45,386.82/x
  3. Step 3: Cross multiply
    83,627.10x = 115,405.02 × 45,386.82
  4. Step 4: Simplify right side
    83,627.10x = 5,237,866,869.84
  5. Step 5: Solve for x
    x = 5,237,866,869.84/83,627.10
  6. Step 6: Final answer
    x = 62,633.61

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1.5x scale

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.