Home / 58,225.60-87,316.94-20,775.66

Finding the Fourth Proportional to 58,225.60, 87,316.94 and 20,775.66

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Solution

The fourth proportional to 58,225.60, 87,316.94 and 20,775.66 is: 31,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,225.60 : 87,316.94 = 20,775.66 : x
  2. Step 2: Convert to fraction form
    58,225.60/87,316.94 = 20,775.66/x
  3. Step 3: Cross multiply
    58,225.60x = 87,316.94 × 20,775.66
  4. Step 4: Simplify right side
    58,225.60x = 1,814,066,665.32
  5. Step 5: Solve for x
    x = 1,814,066,665.32/58,225.60
  6. Step 6: Final answer
    x = 31,155.83

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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.