Home / 70,126.86-105,116.40-34,538.88

Finding the Fourth Proportional to 70,126.86, 105,116.40 and 34,538.88

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Solution

The fourth proportional to 70,126.86, 105,116.40 and 34,538.88 is: 51,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,126.86 : 105,116.40 = 34,538.88 : x
  2. Step 2: Convert to fraction form
    70,126.86/105,116.40 = 34,538.88/x
  3. Step 3: Cross multiply
    70,126.86x = 105,116.40 × 34,538.88
  4. Step 4: Simplify right side
    70,126.86x = 3,630,602,725.63
  5. Step 5: Solve for x
    x = 3,630,602,725.63/70,126.86
  6. Step 6: Final answer
    x = 51,771.93

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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.