Home / 115,397.04-172,964.34-48,795.60

Finding the Fourth Proportional to 115,397.04, 172,964.34 and 48,795.60

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Solution

The fourth proportional to 115,397.04, 172,964.34 and 48,795.60 is: 73,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,397.04 : 172,964.34 = 48,795.60 : x
  2. Step 2: Convert to fraction form
    115,397.04/172,964.34 = 48,795.60/x
  3. Step 3: Cross multiply
    115,397.04x = 172,964.34 × 48,795.60
  4. Step 4: Simplify right side
    115,397.04x = 8,439,898,748.90
  5. Step 5: Solve for x
    x = 8,439,898,748.90/115,397.04
  6. Step 6: Final answer
    x = 73,137.91

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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.