Home / 99,373.23-137,148.30-56,368.26

Finding the Fourth Proportional to 99,373.23, 137,148.30 and 56,368.26

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Solution

The fourth proportional to 99,373.23, 137,148.30 and 56,368.26 is: 77,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,373.23 : 137,148.30 = 56,368.26 : x
  2. Step 2: Convert to fraction form
    99,373.23/137,148.30 = 56,368.26/x
  3. Step 3: Cross multiply
    99,373.23x = 137,148.30 × 56,368.26
  4. Step 4: Simplify right side
    99,373.23x = 7,730,811,032.96
  5. Step 5: Solve for x
    x = 7,730,811,032.96/99,373.23
  6. Step 6: Final answer
    x = 77,795.71

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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.