Home / 76,923.16-106,153.95-42,467.89

Finding the Fourth Proportional to 76,923.16, 106,153.95 and 42,467.89

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Solution

The fourth proportional to 76,923.16, 106,153.95 and 42,467.89 is: 58,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,923.16 : 106,153.95 = 42,467.89 : x
  2. Step 2: Convert to fraction form
    76,923.16/106,153.95 = 42,467.89/x
  3. Step 3: Cross multiply
    76,923.16x = 106,153.95 × 42,467.89
  4. Step 4: Simplify right side
    76,923.16x = 4,508,134,271.67
  5. Step 5: Solve for x
    x = 4,508,134,271.67/76,923.16
  6. Step 6: Final answer
    x = 58,605.68

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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.