Home / 61,950.08-85,497.12-34,730.78

Finding the Fourth Proportional to 61,950.08, 85,497.12 and 34,730.78

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Solution

The fourth proportional to 61,950.08, 85,497.12 and 34,730.78 is: 47,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,950.08 : 85,497.12 = 34,730.78 : x
  2. Step 2: Convert to fraction form
    61,950.08/85,497.12 = 34,730.78/x
  3. Step 3: Cross multiply
    61,950.08x = 85,497.12 × 34,730.78
  4. Step 4: Simplify right side
    61,950.08x = 2,969,381,237.87
  5. Step 5: Solve for x
    x = 2,969,381,237.87/61,950.08
  6. Step 6: Final answer
    x = 47,931.84

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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.