Home / 66,007.04-91,125.10-50,977.49

Finding the Fourth Proportional to 66,007.04, 91,125.10 and 50,977.49

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Solution

The fourth proportional to 66,007.04, 91,125.10 and 50,977.49 is: 70,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007.04 : 91,125.10 = 50,977.49 : x
  2. Step 2: Convert to fraction form
    66,007.04/91,125.10 = 50,977.49/x
  3. Step 3: Cross multiply
    66,007.04x = 91,125.10 × 50,977.49
  4. Step 4: Simplify right side
    66,007.04x = 4,645,328,482.10
  5. Step 5: Solve for x
    x = 4,645,328,482.10/66,007.04
  6. Step 6: Final answer
    x = 70,376.26

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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.