Home / 62,818.60-86,689.02-34,137.68

Finding the Fourth Proportional to 62,818.60, 86,689.02 and 34,137.68

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Solution

The fourth proportional to 62,818.60, 86,689.02 and 34,137.68 is: 47,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,818.60 : 86,689.02 = 34,137.68 : x
  2. Step 2: Convert to fraction form
    62,818.60/86,689.02 = 34,137.68/x
  3. Step 3: Cross multiply
    62,818.60x = 86,689.02 × 34,137.68
  4. Step 4: Simplify right side
    62,818.60x = 2,959,362,024.27
  5. Step 5: Solve for x
    x = 2,959,362,024.27/62,818.60
  6. Step 6: Final answer
    x = 47,109.65

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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.