Home / 70,416.42-105,078.68-62,938.50

Finding the Fourth Proportional to 70,416.42, 105,078.68 and 62,938.50

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Solution

The fourth proportional to 70,416.42, 105,078.68 and 62,938.50 is: 93,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,416.42 : 105,078.68 = 62,938.50 : x
  2. Step 2: Convert to fraction form
    70,416.42/105,078.68 = 62,938.50/x
  3. Step 3: Cross multiply
    70,416.42x = 105,078.68 × 62,938.50
  4. Step 4: Simplify right side
    70,416.42x = 6,613,494,186.49
  5. Step 5: Solve for x
    x = 6,613,494,186.49/70,416.42
  6. Step 6: Final answer
    x = 93,919.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.