Home / 113,712.76-156,923.76-62,724.34

Finding the Fourth Proportional to 113,712.76, 156,923.76 and 62,724.34

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Solution

The fourth proportional to 113,712.76, 156,923.76 and 62,724.34 is: 86,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,712.76 : 156,923.76 = 62,724.34 : x
  2. Step 2: Convert to fraction form
    113,712.76/156,923.76 = 62,724.34/x
  3. Step 3: Cross multiply
    113,712.76x = 156,923.76 × 62,724.34
  4. Step 4: Simplify right side
    113,712.76x = 9,842,939,276.32
  5. Step 5: Solve for x
    x = 9,842,939,276.32/113,712.76
  6. Step 6: Final answer
    x = 86,559.67

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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.