Home / 98,359.08-147,529.71-39,178.86

Finding the Fourth Proportional to 98,359.08, 147,529.71 and 39,178.86

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Solution

The fourth proportional to 98,359.08, 147,529.71 and 39,178.86 is: 58,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,359.08 : 147,529.71 = 39,178.86 : x
  2. Step 2: Convert to fraction form
    98,359.08/147,529.71 = 39,178.86/x
  3. Step 3: Cross multiply
    98,359.08x = 147,529.71 × 39,178.86
  4. Step 4: Simplify right side
    98,359.08x = 5,780,045,853.93
  5. Step 5: Solve for x
    x = 5,780,045,853.93/98,359.08
  6. Step 6: Final answer
    x = 58,764.74

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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.