Home / 86,740.16-119,799.96-58,396.64

Finding the Fourth Proportional to 86,740.16, 119,799.96 and 58,396.64

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Solution

The fourth proportional to 86,740.16, 119,799.96 and 58,396.64 is: 80,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,740.16 : 119,799.96 = 58,396.64 : x
  2. Step 2: Convert to fraction form
    86,740.16/119,799.96 = 58,396.64/x
  3. Step 3: Cross multiply
    86,740.16x = 119,799.96 × 58,396.64
  4. Step 4: Simplify right side
    86,740.16x = 6,995,915,136.13
  5. Step 5: Solve for x
    x = 6,995,915,136.13/86,740.16
  6. Step 6: Final answer
    x = 80,653.70

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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.