Home / 105,670.60-158,526.68-39,111.32

Finding the Fourth Proportional to 105,670.60, 158,526.68 and 39,111.32

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Solution

The fourth proportional to 105,670.60, 158,526.68 and 39,111.32 is: 58,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,670.60 : 158,526.68 = 39,111.32 : x
  2. Step 2: Convert to fraction form
    105,670.60/158,526.68 = 39,111.32/x
  3. Step 3: Cross multiply
    105,670.60x = 158,526.68 × 39,111.32
  4. Step 4: Simplify right side
    105,670.60x = 6,200,187,710.02
  5. Step 5: Solve for x
    x = 6,200,187,710.02/105,670.60
  6. Step 6: Final answer
    x = 58,674.67

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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.