Home / 60,722.40-91,036.20-38,531.64

Finding the Fourth Proportional to 60,722.40, 91,036.20 and 38,531.64

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Solution

The fourth proportional to 60,722.40, 91,036.20 and 38,531.64 is: 57,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,722.40 : 91,036.20 = 38,531.64 : x
  2. Step 2: Convert to fraction form
    60,722.40/91,036.20 = 38,531.64/x
  3. Step 3: Cross multiply
    60,722.40x = 91,036.20 × 38,531.64
  4. Step 4: Simplify right side
    60,722.40x = 3,507,774,085.37
  5. Step 5: Solve for x
    x = 3,507,774,085.37/60,722.40
  6. Step 6: Final answer
    x = 57,767.38

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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.