Home / 67,731.08-93,514.55-42,276.21

Finding the Fourth Proportional to 67,731.08, 93,514.55 and 42,276.21

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Solution

The fourth proportional to 67,731.08, 93,514.55 and 42,276.21 is: 58,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,731.08 : 93,514.55 = 42,276.21 : x
  2. Step 2: Convert to fraction form
    67,731.08/93,514.55 = 42,276.21/x
  3. Step 3: Cross multiply
    67,731.08x = 93,514.55 × 42,276.21
  4. Step 4: Simplify right side
    67,731.08x = 3,953,440,542.47
  5. Step 5: Solve for x
    x = 3,953,440,542.47/67,731.08
  6. Step 6: Final answer
    x = 58,369.67

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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.