Home / 58,237.68-87,294.21-30,129.45

Finding the Fourth Proportional to 58,237.68, 87,294.21 and 30,129.45

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Solution

The fourth proportional to 58,237.68, 87,294.21 and 30,129.45 is: 45,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,237.68 : 87,294.21 = 30,129.45 : x
  2. Step 2: Convert to fraction form
    58,237.68/87,294.21 = 30,129.45/x
  3. Step 3: Cross multiply
    58,237.68x = 87,294.21 × 30,129.45
  4. Step 4: Simplify right side
    58,237.68x = 2,630,126,535.48
  5. Step 5: Solve for x
    x = 2,630,126,535.48/58,237.68
  6. Step 6: Final answer
    x = 45,161.94

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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.