Home / 62,191.68-85,756.75-42,013.54

Finding the Fourth Proportional to 62,191.68, 85,756.75 and 42,013.54

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Solution

The fourth proportional to 62,191.68, 85,756.75 and 42,013.54 is: 57,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,191.68 : 85,756.75 = 42,013.54 : x
  2. Step 2: Convert to fraction form
    62,191.68/85,756.75 = 42,013.54/x
  3. Step 3: Cross multiply
    62,191.68x = 85,756.75 × 42,013.54
  4. Step 4: Simplify right side
    62,191.68x = 3,602,944,646.40
  5. Step 5: Solve for x
    x = 3,602,944,646.40/62,191.68
  6. Step 6: Final answer
    x = 57,932.90

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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.