Home / 107,065.40-147,751.44-59,319.50

Finding the Fourth Proportional to 107,065.40, 147,751.44 and 59,319.50

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Solution

The fourth proportional to 107,065.40, 147,751.44 and 59,319.50 is: 81,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,065.40 : 147,751.44 = 59,319.50 : x
  2. Step 2: Convert to fraction form
    107,065.40/147,751.44 = 59,319.50/x
  3. Step 3: Cross multiply
    107,065.40x = 147,751.44 × 59,319.50
  4. Step 4: Simplify right side
    107,065.40x = 8,764,541,545.08
  5. Step 5: Solve for x
    x = 8,764,541,545.08/107,065.40
  6. Step 6: Final answer
    x = 81,861.57

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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.