Home / 63,999.60-88,322.12-35,705.20

Finding the Fourth Proportional to 63,999.60, 88,322.12 and 35,705.20

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Solution

The fourth proportional to 63,999.60, 88,322.12 and 35,705.20 is: 49,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,999.60 : 88,322.12 = 35,705.20 : x
  2. Step 2: Convert to fraction form
    63,999.60/88,322.12 = 35,705.20/x
  3. Step 3: Cross multiply
    63,999.60x = 88,322.12 × 35,705.20
  4. Step 4: Simplify right side
    63,999.60x = 3,153,558,959.02
  5. Step 5: Solve for x
    x = 3,153,558,959.02/63,999.60
  6. Step 6: Final answer
    x = 49,274.67

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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.