Home / 74,838.01-111,915.99-55,875.91

Finding the Fourth Proportional to 74,838.01, 111,915.99 and 55,875.91

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Solution

The fourth proportional to 74,838.01, 111,915.99 and 55,875.91 is: 83,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,838.01 : 111,915.99 = 55,875.91 : x
  2. Step 2: Convert to fraction form
    74,838.01/111,915.99 = 55,875.91/x
  3. Step 3: Cross multiply
    74,838.01x = 111,915.99 × 55,875.91
  4. Step 4: Simplify right side
    74,838.01x = 6,253,407,784.80
  5. Step 5: Solve for x
    x = 6,253,407,784.80/74,838.01
  6. Step 6: Final answer
    x = 83,559.25

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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.