Home / 66,304.47-91,502.14-40,825.53

Finding the Fourth Proportional to 66,304.47, 91,502.14 and 40,825.53

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Solution

The fourth proportional to 66,304.47, 91,502.14 and 40,825.53 is: 56,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,304.47 : 91,502.14 = 40,825.53 : x
  2. Step 2: Convert to fraction form
    66,304.47/91,502.14 = 40,825.53/x
  3. Step 3: Cross multiply
    66,304.47x = 91,502.14 × 40,825.53
  4. Step 4: Simplify right side
    66,304.47x = 3,735,623,157.51
  5. Step 5: Solve for x
    x = 3,735,623,157.51/66,304.47
  6. Step 6: Final answer
    x = 56,340.45

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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.