Home / 127,430.41-175,858.48-70,074.11

Finding the Fourth Proportional to 127,430.41, 175,858.48 and 70,074.11

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Solution

The fourth proportional to 127,430.41, 175,858.48 and 70,074.11 is: 96,704.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,430.41 : 175,858.48 = 70,074.11 : x
  2. Step 2: Convert to fraction form
    127,430.41/175,858.48 = 70,074.11/x
  3. Step 3: Cross multiply
    127,430.41x = 175,858.48 × 70,074.11
  4. Step 4: Simplify right side
    127,430.41x = 12,323,125,242.29
  5. Step 5: Solve for x
    x = 12,323,125,242.29/127,430.41
  6. Step 6: Final answer
    x = 96,704.74

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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.