Home / 109,532.16-151,153.29-61,801.02

Finding the Fourth Proportional to 109,532.16, 151,153.29 and 61,801.02

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Solution

The fourth proportional to 109,532.16, 151,153.29 and 61,801.02 is: 85,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,532.16 : 151,153.29 = 61,801.02 : x
  2. Step 2: Convert to fraction form
    109,532.16/151,153.29 = 61,801.02/x
  3. Step 3: Cross multiply
    109,532.16x = 151,153.29 × 61,801.02
  4. Step 4: Simplify right side
    109,532.16x = 9,341,427,498.36
  5. Step 5: Solve for x
    x = 9,341,427,498.36/109,532.16
  6. Step 6: Final answer
    x = 85,284.79

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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.