Home / 58,935.32-81,382.62-40,117.40

Finding the Fourth Proportional to 58,935.32, 81,382.62 and 40,117.40

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Solution

The fourth proportional to 58,935.32, 81,382.62 and 40,117.40 is: 55,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,935.32 : 81,382.62 = 40,117.40 : x
  2. Step 2: Convert to fraction form
    58,935.32/81,382.62 = 40,117.40/x
  3. Step 3: Cross multiply
    58,935.32x = 81,382.62 × 40,117.40
  4. Step 4: Simplify right side
    58,935.32x = 3,264,859,119.59
  5. Step 5: Solve for x
    x = 3,264,859,119.59/58,935.32
  6. Step 6: Final answer
    x = 55,397.33

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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.