Home / 70,742.40-97,619.76-40,527.84

Finding the Fourth Proportional to 70,742.40, 97,619.76 and 40,527.84

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Solution

The fourth proportional to 70,742.40, 97,619.76 and 40,527.84 is: 55,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,742.40 : 97,619.76 = 40,527.84 : x
  2. Step 2: Convert to fraction form
    70,742.40/97,619.76 = 40,527.84/x
  3. Step 3: Cross multiply
    70,742.40x = 97,619.76 × 40,527.84
  4. Step 4: Simplify right side
    70,742.40x = 3,956,318,014.12
  5. Step 5: Solve for x
    x = 3,956,318,014.12/70,742.40
  6. Step 6: Final answer
    x = 55,925.70

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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.