Home / 55,570.15-76,685.29-31,696.32

Finding the Fourth Proportional to 55,570.15, 76,685.29 and 31,696.32

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Solution

The fourth proportional to 55,570.15, 76,685.29 and 31,696.32 is: 43,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.15 : 76,685.29 = 31,696.32 : x
  2. Step 2: Convert to fraction form
    55,570.15/76,685.29 = 31,696.32/x
  3. Step 3: Cross multiply
    55,570.15x = 76,685.29 × 31,696.32
  4. Step 4: Simplify right side
    55,570.15x = 2,430,641,491.13
  5. Step 5: Solve for x
    x = 2,430,641,491.13/55,570.15
  6. Step 6: Final answer
    x = 43,740.06

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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.