Home / 113,541.08-156,684.66-63,239

Finding the Fourth Proportional to 113,541.08, 156,684.66 and 63,239

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Solution

The fourth proportional to 113,541.08, 156,684.66 and 63,239 is: 87,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,541.08 : 156,684.66 = 63,239 : x
  2. Step 2: Convert to fraction form
    113,541.08/156,684.66 = 63,239/x
  3. Step 3: Cross multiply
    113,541.08x = 156,684.66 × 63,239
  4. Step 4: Simplify right side
    113,541.08x = 9,908,581,213.74
  5. Step 5: Solve for x
    x = 9,908,581,213.74/113,541.08
  6. Step 6: Final answer
    x = 87,268.69

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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.