Home / 109,004.40-150,427.53-61,254.90

Finding the Fourth Proportional to 109,004.40, 150,427.53 and 61,254.90

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Solution

The fourth proportional to 109,004.40, 150,427.53 and 61,254.90 is: 84,532.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,004.40 : 150,427.53 = 61,254.90 : x
  2. Step 2: Convert to fraction form
    109,004.40/150,427.53 = 61,254.90/x
  3. Step 3: Cross multiply
    109,004.40x = 150,427.53 × 61,254.90
  4. Step 4: Simplify right side
    109,004.40x = 9,214,423,307.40
  5. Step 5: Solve for x
    x = 9,214,423,307.40/109,004.40
  6. Step 6: Final answer
    x = 84,532.58

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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.