Home / 56,740.16-85,148.96-19,804.16

Finding the Fourth Proportional to 56,740.16, 85,148.96 and 19,804.16

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Solution

The fourth proportional to 56,740.16, 85,148.96 and 19,804.16 is: 29,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,740.16 : 85,148.96 = 19,804.16 : x
  2. Step 2: Convert to fraction form
    56,740.16/85,148.96 = 19,804.16/x
  3. Step 3: Cross multiply
    56,740.16x = 85,148.96 × 19,804.16
  4. Step 4: Simplify right side
    56,740.16x = 1,686,303,627.67
  5. Step 5: Solve for x
    x = 1,686,303,627.67/56,740.16
  6. Step 6: Final answer
    x = 29,719.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.