Home / 70,158.08-96,819.60-38,328.32

Finding the Fourth Proportional to 70,158.08, 96,819.60 and 38,328.32

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Solution

The fourth proportional to 70,158.08, 96,819.60 and 38,328.32 is: 52,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,158.08 : 96,819.60 = 38,328.32 : x
  2. Step 2: Convert to fraction form
    70,158.08/96,819.60 = 38,328.32/x
  3. Step 3: Cross multiply
    70,158.08x = 96,819.60 × 38,328.32
  4. Step 4: Simplify right side
    70,158.08x = 3,710,932,611.07
  5. Step 5: Solve for x
    x = 3,710,932,611.07/70,158.08
  6. Step 6: Final answer
    x = 52,893.87

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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.