Home / 58,116.71-87,229.64-28,555.76

Finding the Fourth Proportional to 58,116.71, 87,229.64 and 28,555.76

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Solution

The fourth proportional to 58,116.71, 87,229.64 and 28,555.76 is: 42,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,116.71 : 87,229.64 = 28,555.76 : x
  2. Step 2: Convert to fraction form
    58,116.71/87,229.64 = 28,555.76/x
  3. Step 3: Cross multiply
    58,116.71x = 87,229.64 × 28,555.76
  4. Step 4: Simplify right side
    58,116.71x = 2,490,908,954.19
  5. Step 5: Solve for x
    x = 2,490,908,954.19/58,116.71
  6. Step 6: Final answer
    x = 42,860.46

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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.