Home / 61,904.58-85,430.07-36,412.80

Finding the Fourth Proportional to 61,904.58, 85,430.07 and 36,412.80

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Solution

The fourth proportional to 61,904.58, 85,430.07 and 36,412.80 is: 50,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,904.58 : 85,430.07 = 36,412.80 : x
  2. Step 2: Convert to fraction form
    61,904.58/85,430.07 = 36,412.80/x
  3. Step 3: Cross multiply
    61,904.58x = 85,430.07 × 36,412.80
  4. Step 4: Simplify right side
    61,904.58x = 3,110,748,052.90
  5. Step 5: Solve for x
    x = 3,110,748,052.90/61,904.58
  6. Step 6: Final answer
    x = 50,250.69

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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.