Home / 67,055.04-100,582.80-31,888.32

Finding the Fourth Proportional to 67,055.04, 100,582.80 and 31,888.32

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Solution

The fourth proportional to 67,055.04, 100,582.80 and 31,888.32 is: 47,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,055.04 : 100,582.80 = 31,888.32 : x
  2. Step 2: Convert to fraction form
    67,055.04/100,582.80 = 31,888.32/x
  3. Step 3: Cross multiply
    67,055.04x = 100,582.80 × 31,888.32
  4. Step 4: Simplify right side
    67,055.04x = 3,207,416,512.90
  5. Step 5: Solve for x
    x = 3,207,416,512.90/67,055.04
  6. Step 6: Final answer
    x = 47,832.59

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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.