Home / 68,534.91-94,538.75-40,235.13

Finding the Fourth Proportional to 68,534.91, 94,538.75 and 40,235.13

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Solution

The fourth proportional to 68,534.91, 94,538.75 and 40,235.13 is: 55,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,534.91 : 94,538.75 = 40,235.13 : x
  2. Step 2: Convert to fraction form
    68,534.91/94,538.75 = 40,235.13/x
  3. Step 3: Cross multiply
    68,534.91x = 94,538.75 × 40,235.13
  4. Step 4: Simplify right side
    68,534.91x = 3,803,778,695.11
  5. Step 5: Solve for x
    x = 3,803,778,695.11/68,534.91
  6. Step 6: Final answer
    x = 55,501.33

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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.