Home / 63,990.32-88,312.23-35,312.68

Finding the Fourth Proportional to 63,990.32, 88,312.23 and 35,312.68

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Solution

The fourth proportional to 63,990.32, 88,312.23 and 35,312.68 is: 48,734.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,990.32 : 88,312.23 = 35,312.68 : x
  2. Step 2: Convert to fraction form
    63,990.32/88,312.23 = 35,312.68/x
  3. Step 3: Cross multiply
    63,990.32x = 88,312.23 × 35,312.68
  4. Step 4: Simplify right side
    63,990.32x = 3,118,541,209.01
  5. Step 5: Solve for x
    x = 3,118,541,209.01/63,990.32
  6. Step 6: Final answer
    x = 48,734.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.