Home / 76,555.08-105,508.78-62,262.32

Finding the Fourth Proportional to 76,555.08, 105,508.78 and 62,262.32

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Solution

The fourth proportional to 76,555.08, 105,508.78 and 62,262.32 is: 85,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,555.08 : 105,508.78 = 62,262.32 : x
  2. Step 2: Convert to fraction form
    76,555.08/105,508.78 = 62,262.32/x
  3. Step 3: Cross multiply
    76,555.08x = 105,508.78 × 62,262.32
  4. Step 4: Simplify right side
    76,555.08x = 6,569,221,423.17
  5. Step 5: Solve for x
    x = 6,569,221,423.17/76,555.08
  6. Step 6: Final answer
    x = 85,810.39

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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.