Home / 126,877.12-175,090.32-70,292.08

Finding the Fourth Proportional to 126,877.12, 175,090.32 and 70,292.08

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Solution

The fourth proportional to 126,877.12, 175,090.32 and 70,292.08 is: 97,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,877.12 : 175,090.32 = 70,292.08 : x
  2. Step 2: Convert to fraction form
    126,877.12/175,090.32 = 70,292.08/x
  3. Step 3: Cross multiply
    126,877.12x = 175,090.32 × 70,292.08
  4. Step 4: Simplify right side
    126,877.12x = 12,307,462,780.67
  5. Step 5: Solve for x
    x = 12,307,462,780.67/126,877.12
  6. Step 6: Final answer
    x = 97,003.01

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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.