Home / 115,124.39-172,705.05-48,574.32

Finding the Fourth Proportional to 115,124.39, 172,705.05 and 48,574.32

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Solution

The fourth proportional to 115,124.39, 172,705.05 and 48,574.32 is: 72,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,124.39 : 172,705.05 = 48,574.32 : x
  2. Step 2: Convert to fraction form
    115,124.39/172,705.05 = 48,574.32/x
  3. Step 3: Cross multiply
    115,124.39x = 172,705.05 × 48,574.32
  4. Step 4: Simplify right side
    115,124.39x = 8,389,031,230.80
  5. Step 5: Solve for x
    x = 8,389,031,230.80/115,124.39
  6. Step 6: Final answer
    x = 72,869.28

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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.