Home / 58,430.98-87,615.29-30,322.74

Finding the Fourth Proportional to 58,430.98, 87,615.29 and 30,322.74

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Solution

The fourth proportional to 58,430.98, 87,615.29 and 30,322.74 is: 45,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,430.98 : 87,615.29 = 30,322.74 : x
  2. Step 2: Convert to fraction form
    58,430.98/87,615.29 = 30,322.74/x
  3. Step 3: Cross multiply
    58,430.98x = 87,615.29 × 30,322.74
  4. Step 4: Simplify right side
    58,430.98x = 2,656,735,658.69
  5. Step 5: Solve for x
    x = 2,656,735,658.69/58,430.98
  6. Step 6: Final answer
    x = 45,467.93

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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.