Home / 55,970.56-83,955.74-38,387.08

Finding the Fourth Proportional to 55,970.56, 83,955.74 and 38,387.08

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Solution

The fourth proportional to 55,970.56, 83,955.74 and 38,387.08 is: 57,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,970.56 : 83,955.74 = 38,387.08 : x
  2. Step 2: Convert to fraction form
    55,970.56/83,955.74 = 38,387.08/x
  3. Step 3: Cross multiply
    55,970.56x = 83,955.74 × 38,387.08
  4. Step 4: Simplify right side
    55,970.56x = 3,222,815,707.84
  5. Step 5: Solve for x
    x = 3,222,815,707.84/55,970.56
  6. Step 6: Final answer
    x = 57,580.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.