Home / 91,907.14-137,666.96-42,029.21

Finding the Fourth Proportional to 91,907.14, 137,666.96 and 42,029.21

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Solution

The fourth proportional to 91,907.14, 137,666.96 and 42,029.21 is: 62,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,907.14 : 137,666.96 = 42,029.21 : x
  2. Step 2: Convert to fraction form
    91,907.14/137,666.96 = 42,029.21/x
  3. Step 3: Cross multiply
    91,907.14x = 137,666.96 × 42,029.21
  4. Step 4: Simplify right side
    91,907.14x = 5,786,032,673.42
  5. Step 5: Solve for x
    x = 5,786,032,673.42/91,907.14
  6. Step 6: Final answer
    x = 62,955.21

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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.