Home / 66,032.42-91,153.15-40,542.93

Finding the Fourth Proportional to 66,032.42, 91,153.15 and 40,542.93

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Solution

The fourth proportional to 66,032.42, 91,153.15 and 40,542.93 is: 55,966.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,032.42 : 91,153.15 = 40,542.93 : x
  2. Step 2: Convert to fraction form
    66,032.42/91,153.15 = 40,542.93/x
  3. Step 3: Cross multiply
    66,032.42x = 91,153.15 × 40,542.93
  4. Step 4: Simplify right side
    66,032.42x = 3,695,615,678.37
  5. Step 5: Solve for x
    x = 3,695,615,678.37/66,032.42
  6. Step 6: Final answer
    x = 55,966.69

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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.