Home / 127,428.06-175,835.40-70,057.92

Finding the Fourth Proportional to 127,428.06, 175,835.40 and 70,057.92

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Solution

The fourth proportional to 127,428.06, 175,835.40 and 70,057.92 is: 96,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,428.06 : 175,835.40 = 70,057.92 : x
  2. Step 2: Convert to fraction form
    127,428.06/175,835.40 = 70,057.92/x
  3. Step 3: Cross multiply
    127,428.06x = 175,835.40 × 70,057.92
  4. Step 4: Simplify right side
    127,428.06x = 12,318,662,386.37
  5. Step 5: Solve for x
    x = 12,318,662,386.37/127,428.06
  6. Step 6: Final answer
    x = 96,671.51

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1.5x scale

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.