Home / 104,427.10-156,640.65-37,869.40

Finding the Fourth Proportional to 104,427.10, 156,640.65 and 37,869.40

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Solution

The fourth proportional to 104,427.10, 156,640.65 and 37,869.40 is: 56,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.10 : 156,640.65 = 37,869.40 : x
  2. Step 2: Convert to fraction form
    104,427.10/156,640.65 = 37,869.40/x
  3. Step 3: Cross multiply
    104,427.10x = 156,640.65 × 37,869.40
  4. Step 4: Simplify right side
    104,427.10x = 5,931,887,431.11
  5. Step 5: Solve for x
    x = 5,931,887,431.11/104,427.10
  6. Step 6: Final answer
    x = 56,804.10

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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.