Home / 68,582.51-94,605.76-39,898.95

Finding the Fourth Proportional to 68,582.51, 94,605.76 and 39,898.95

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Solution

The fourth proportional to 68,582.51, 94,605.76 and 39,898.95 is: 55,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,582.51 : 94,605.76 = 39,898.95 : x
  2. Step 2: Convert to fraction form
    68,582.51/94,605.76 = 39,898.95/x
  3. Step 3: Cross multiply
    68,582.51x = 94,605.76 × 39,898.95
  4. Step 4: Simplify right side
    68,582.51x = 3,774,670,487.95
  5. Step 5: Solve for x
    x = 3,774,670,487.95/68,582.51
  6. Step 6: Final answer
    x = 55,038.38

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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.