Home / 75,790.50-104,598.28-56,637.02

Finding the Fourth Proportional to 75,790.50, 104,598.28 and 56,637.02

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Solution

The fourth proportional to 75,790.50, 104,598.28 and 56,637.02 is: 78,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,790.50 : 104,598.28 = 56,637.02 : x
  2. Step 2: Convert to fraction form
    75,790.50/104,598.28 = 56,637.02/x
  3. Step 3: Cross multiply
    75,790.50x = 104,598.28 × 56,637.02
  4. Step 4: Simplify right side
    75,790.50x = 5,924,134,353.33
  5. Step 5: Solve for x
    x = 5,924,134,353.33/75,790.50
  6. Step 6: Final answer
    x = 78,164.60

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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.