Home / 66,595.74-91,904.85-38,301.45

Finding the Fourth Proportional to 66,595.74, 91,904.85 and 38,301.45

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Solution

The fourth proportional to 66,595.74, 91,904.85 and 38,301.45 is: 52,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,595.74 : 91,904.85 = 38,301.45 : x
  2. Step 2: Convert to fraction form
    66,595.74/91,904.85 = 38,301.45/x
  3. Step 3: Cross multiply
    66,595.74x = 91,904.85 × 38,301.45
  4. Step 4: Simplify right side
    66,595.74x = 3,520,089,017.03
  5. Step 5: Solve for x
    x = 3,520,089,017.03/66,595.74
  6. Step 6: Final answer
    x = 52,857.57

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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.