Home / 99,386.23-137,156.66-56,952.96

Finding the Fourth Proportional to 99,386.23, 137,156.66 and 56,952.96

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Solution

The fourth proportional to 99,386.23, 137,156.66 and 56,952.96 is: 78,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,386.23 : 137,156.66 = 56,952.96 : x
  2. Step 2: Convert to fraction form
    99,386.23/137,156.66 = 56,952.96/x
  3. Step 3: Cross multiply
    99,386.23x = 137,156.66 × 56,952.96
  4. Step 4: Simplify right side
    99,386.23x = 7,811,477,770.71
  5. Step 5: Solve for x
    x = 7,811,477,770.71/99,386.23
  6. Step 6: Final answer
    x = 78,597.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.