Home / 66,559.14-91,828.08-42,698.70

Finding the Fourth Proportional to 66,559.14, 91,828.08 and 42,698.70

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Solution

The fourth proportional to 66,559.14, 91,828.08 and 42,698.70 is: 58,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559.14 : 91,828.08 = 42,698.70 : x
  2. Step 2: Convert to fraction form
    66,559.14/91,828.08 = 42,698.70/x
  3. Step 3: Cross multiply
    66,559.14x = 91,828.08 × 42,698.70
  4. Step 4: Simplify right side
    66,559.14x = 3,920,939,639.50
  5. Step 5: Solve for x
    x = 3,920,939,639.50/66,559.14
  6. Step 6: Final answer
    x = 58,909.11

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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.