Home / 91,829.70-137,574.45-52,269.30

Finding the Fourth Proportional to 91,829.70, 137,574.45 and 52,269.30

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Solution

The fourth proportional to 91,829.70, 137,574.45 and 52,269.30 is: 78,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,829.70 : 137,574.45 = 52,269.30 : x
  2. Step 2: Convert to fraction form
    91,829.70/137,574.45 = 52,269.30/x
  3. Step 3: Cross multiply
    91,829.70x = 137,574.45 × 52,269.30
  4. Step 4: Simplify right side
    91,829.70x = 7,190,920,199.39
  5. Step 5: Solve for x
    x = 7,190,920,199.39/91,829.70
  6. Step 6: Final answer
    x = 78,307.13

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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.