Home / 55,925.59-77,178.63-31,728.19

Finding the Fourth Proportional to 55,925.59, 77,178.63 and 31,728.19

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Solution

The fourth proportional to 55,925.59, 77,178.63 and 31,728.19 is: 43,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925.59 : 77,178.63 = 31,728.19 : x
  2. Step 2: Convert to fraction form
    55,925.59/77,178.63 = 31,728.19/x
  3. Step 3: Cross multiply
    55,925.59x = 77,178.63 × 31,728.19
  4. Step 4: Simplify right side
    55,925.59x = 2,448,738,043.63
  5. Step 5: Solve for x
    x = 2,448,738,043.63/55,925.59
  6. Step 6: Final answer
    x = 43,785.65

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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.