Home / 127,368.04-175,764.40-70,777.96

Finding the Fourth Proportional to 127,368.04, 175,764.40 and 70,777.96

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Solution

The fourth proportional to 127,368.04, 175,764.40 and 70,777.96 is: 97,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368.04 : 175,764.40 = 70,777.96 : x
  2. Step 2: Convert to fraction form
    127,368.04/175,764.40 = 70,777.96/x
  3. Step 3: Cross multiply
    127,368.04x = 175,764.40 × 70,777.96
  4. Step 4: Simplify right side
    127,368.04x = 12,440,245,672.62
  5. Step 5: Solve for x
    x = 12,440,245,672.62/127,368.04
  6. Step 6: Final answer
    x = 97,671.64

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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.