Home / 127,445.04-175,823.64-73,720.08

Finding the Fourth Proportional to 127,445.04, 175,823.64 and 73,720.08

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Solution

The fourth proportional to 127,445.04, 175,823.64 and 73,720.08 is: 101,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,445.04 : 175,823.64 = 73,720.08 : x
  2. Step 2: Convert to fraction form
    127,445.04/175,823.64 = 73,720.08/x
  3. Step 3: Cross multiply
    127,445.04x = 175,823.64 × 73,720.08
  4. Step 4: Simplify right side
    127,445.04x = 12,961,732,806.69
  5. Step 5: Solve for x
    x = 12,961,732,806.69/127,445.04
  6. Step 6: Final answer
    x = 101,704.49

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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.