Home / 93,543.08-140,315.84-31,213.58

Finding the Fourth Proportional to 93,543.08, 140,315.84 and 31,213.58

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Solution

The fourth proportional to 93,543.08, 140,315.84 and 31,213.58 is: 46,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,543.08 : 140,315.84 = 31,213.58 : x
  2. Step 2: Convert to fraction form
    93,543.08/140,315.84 = 31,213.58/x
  3. Step 3: Cross multiply
    93,543.08x = 140,315.84 × 31,213.58
  4. Step 4: Simplify right side
    93,543.08x = 4,379,759,541.04
  5. Step 5: Solve for x
    x = 4,379,759,541.04/93,543.08
  6. Step 6: Final answer
    x = 46,820.78

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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.