Home / 70,378.86-97,123.63-40,168.26

Finding the Fourth Proportional to 70,378.86, 97,123.63 and 40,168.26

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Solution

The fourth proportional to 70,378.86, 97,123.63 and 40,168.26 is: 55,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,378.86 : 97,123.63 = 40,168.26 : x
  2. Step 2: Convert to fraction form
    70,378.86/97,123.63 = 40,168.26/x
  3. Step 3: Cross multiply
    70,378.86x = 97,123.63 × 40,168.26
  4. Step 4: Simplify right side
    70,378.86x = 3,901,287,221.98
  5. Step 5: Solve for x
    x = 3,901,287,221.98/70,378.86
  6. Step 6: Final answer
    x = 55,432.66

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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.