Home / 46,900.08-64,709.28-30,142.80

Finding the Fourth Proportional to 46,900.08, 64,709.28 and 30,142.80

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Solution

The fourth proportional to 46,900.08, 64,709.28 and 30,142.80 is: 41,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,900.08 : 64,709.28 = 30,142.80 : x
  2. Step 2: Convert to fraction form
    46,900.08/64,709.28 = 30,142.80/x
  3. Step 3: Cross multiply
    46,900.08x = 64,709.28 × 30,142.80
  4. Step 4: Simplify right side
    46,900.08x = 1,950,518,885.18
  5. Step 5: Solve for x
    x = 1,950,518,885.18/46,900.08
  6. Step 6: Final answer
    x = 41,588.82

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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.