Home / 63,990.08-88,309.04-35,695.76

Finding the Fourth Proportional to 63,990.08, 88,309.04 and 35,695.76

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Solution

The fourth proportional to 63,990.08, 88,309.04 and 35,695.76 is: 49,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,990.08 : 88,309.04 = 35,695.76 : x
  2. Step 2: Convert to fraction form
    63,990.08/88,309.04 = 35,695.76/x
  3. Step 3: Cross multiply
    63,990.08x = 88,309.04 × 35,695.76
  4. Step 4: Simplify right side
    63,990.08x = 3,152,258,297.67
  5. Step 5: Solve for x
    x = 3,152,258,297.67/63,990.08
  6. Step 6: Final answer
    x = 49,261.67

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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.