Home / 98,303.08-147,367.32-38,317.72

Finding the Fourth Proportional to 98,303.08, 147,367.32 and 38,317.72

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Solution

The fourth proportional to 98,303.08, 147,367.32 and 38,317.72 is: 57,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,303.08 : 147,367.32 = 38,317.72 : x
  2. Step 2: Convert to fraction form
    98,303.08/147,367.32 = 38,317.72/x
  3. Step 3: Cross multiply
    98,303.08x = 147,367.32 × 38,317.72
  4. Step 4: Simplify right side
    98,303.08x = 5,646,779,704.91
  5. Step 5: Solve for x
    x = 5,646,779,704.91/98,303.08
  6. Step 6: Final answer
    x = 57,442.55

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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.