Home / 68,499.18-94,573.44-61,316.64

Finding the Fourth Proportional to 68,499.18, 94,573.44 and 61,316.64

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Solution

The fourth proportional to 68,499.18, 94,573.44 and 61,316.64 is: 84,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,499.18 : 94,573.44 = 61,316.64 : x
  2. Step 2: Convert to fraction form
    68,499.18/94,573.44 = 61,316.64/x
  3. Step 3: Cross multiply
    68,499.18x = 94,573.44 × 61,316.64
  4. Step 4: Simplify right side
    68,499.18x = 5,798,925,574.04
  5. Step 5: Solve for x
    x = 5,798,925,574.04/68,499.18
  6. Step 6: Final answer
    x = 84,656.86

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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.