Home / 58,329.12-87,490.32-34,939.68

Finding the Fourth Proportional to 58,329.12, 87,490.32 and 34,939.68

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Solution

The fourth proportional to 58,329.12, 87,490.32 and 34,939.68 is: 52,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,329.12 : 87,490.32 = 34,939.68 : x
  2. Step 2: Convert to fraction form
    58,329.12/87,490.32 = 34,939.68/x
  3. Step 3: Cross multiply
    58,329.12x = 87,490.32 × 34,939.68
  4. Step 4: Simplify right side
    58,329.12x = 3,056,883,783.90
  5. Step 5: Solve for x
    x = 3,056,883,783.90/58,329.12
  6. Step 6: Final answer
    x = 52,407.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.