Home / 76,467.16-105,521.11-42,477.85

Finding the Fourth Proportional to 76,467.16, 105,521.11 and 42,477.85

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Solution

The fourth proportional to 76,467.16, 105,521.11 and 42,477.85 is: 58,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,467.16 : 105,521.11 = 42,477.85 : x
  2. Step 2: Convert to fraction form
    76,467.16/105,521.11 = 42,477.85/x
  3. Step 3: Cross multiply
    76,467.16x = 105,521.11 × 42,477.85
  4. Step 4: Simplify right side
    76,467.16x = 4,482,309,882.41
  5. Step 5: Solve for x
    x = 4,482,309,882.41/76,467.16
  6. Step 6: Final answer
    x = 58,617.45

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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.