Home / 89,835.63-134,531.96-56,472.95

Finding the Fourth Proportional to 89,835.63, 134,531.96 and 56,472.95

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Solution

The fourth proportional to 89,835.63, 134,531.96 and 56,472.95 is: 84,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,835.63 : 134,531.96 = 56,472.95 : x
  2. Step 2: Convert to fraction form
    89,835.63/134,531.96 = 56,472.95/x
  3. Step 3: Cross multiply
    89,835.63x = 134,531.96 × 56,472.95
  4. Step 4: Simplify right side
    89,835.63x = 7,597,415,695.46
  5. Step 5: Solve for x
    x = 7,597,415,695.46/89,835.63
  6. Step 6: Final answer
    x = 84,570.18

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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.