Home / 66,340.04-91,535.32-42,148.16

Finding the Fourth Proportional to 66,340.04, 91,535.32 and 42,148.16

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Solution

The fourth proportional to 66,340.04, 91,535.32 and 42,148.16 is: 58,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,340.04 : 91,535.32 = 42,148.16 : x
  2. Step 2: Convert to fraction form
    66,340.04/91,535.32 = 42,148.16/x
  3. Step 3: Cross multiply
    66,340.04x = 91,535.32 × 42,148.16
  4. Step 4: Simplify right side
    66,340.04x = 3,858,045,313.01
  5. Step 5: Solve for x
    x = 3,858,045,313.01/66,340.04
  6. Step 6: Final answer
    x = 58,155.61

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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.