Home / 70,528.14-105,652.49-42,455.57

Finding the Fourth Proportional to 70,528.14, 105,652.49 and 42,455.57

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Solution

The fourth proportional to 70,528.14, 105,652.49 and 42,455.57 is: 63,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,528.14 : 105,652.49 = 42,455.57 : x
  2. Step 2: Convert to fraction form
    70,528.14/105,652.49 = 42,455.57/x
  3. Step 3: Cross multiply
    70,528.14x = 105,652.49 × 42,455.57
  4. Step 4: Simplify right side
    70,528.14x = 4,485,535,944.33
  5. Step 5: Solve for x
    x = 4,485,535,944.33/70,528.14
  6. Step 6: Final answer
    x = 63,599.24

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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.