Home / 79,031.38-118,609.40-34,688.74

Finding the Fourth Proportional to 79,031.38, 118,609.40 and 34,688.74

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Solution

The fourth proportional to 79,031.38, 118,609.40 and 34,688.74 is: 52,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,031.38 : 118,609.40 = 34,688.74 : x
  2. Step 2: Convert to fraction form
    79,031.38/118,609.40 = 34,688.74/x
  3. Step 3: Cross multiply
    79,031.38x = 118,609.40 × 34,688.74
  4. Step 4: Simplify right side
    79,031.38x = 4,114,410,638.16
  5. Step 5: Solve for x
    x = 4,114,410,638.16/79,031.38
  6. Step 6: Final answer
    x = 52,060.47

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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.