Home / 63,617.60-95,426.40-57,785.60

Finding the Fourth Proportional to 63,617.60, 95,426.40 and 57,785.60

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Solution

The fourth proportional to 63,617.60, 95,426.40 and 57,785.60 is: 86,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,617.60 : 95,426.40 = 57,785.60 : x
  2. Step 2: Convert to fraction form
    63,617.60/95,426.40 = 57,785.60/x
  3. Step 3: Cross multiply
    63,617.60x = 95,426.40 × 57,785.60
  4. Step 4: Simplify right side
    63,617.60x = 5,514,271,779.84
  5. Step 5: Solve for x
    x = 5,514,271,779.84/63,617.60
  6. Step 6: Final answer
    x = 86,678.40

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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.