Home / 84,970.72-127,386.37-58,242.85

Finding the Fourth Proportional to 84,970.72, 127,386.37 and 58,242.85

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Solution

The fourth proportional to 84,970.72, 127,386.37 and 58,242.85 is: 87,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,970.72 : 127,386.37 = 58,242.85 : x
  2. Step 2: Convert to fraction form
    84,970.72/127,386.37 = 58,242.85/x
  3. Step 3: Cross multiply
    84,970.72x = 127,386.37 × 58,242.85
  4. Step 4: Simplify right side
    84,970.72x = 7,419,344,994.29
  5. Step 5: Solve for x
    x = 7,419,344,994.29/84,970.72
  6. Step 6: Final answer
    x = 87,316.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.