Home / 102,718.93-141,795.77-62,445.55

Finding the Fourth Proportional to 102,718.93, 141,795.77 and 62,445.55

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Solution

The fourth proportional to 102,718.93, 141,795.77 and 62,445.55 is: 86,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,718.93 : 141,795.77 = 62,445.55 : x
  2. Step 2: Convert to fraction form
    102,718.93/141,795.77 = 62,445.55/x
  3. Step 3: Cross multiply
    102,718.93x = 141,795.77 × 62,445.55
  4. Step 4: Simplify right side
    102,718.93x = 8,854,514,845.32
  5. Step 5: Solve for x
    x = 8,854,514,845.32/102,718.93
  6. Step 6: Final answer
    x = 86,201.39

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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.