Home / 91,837.02-137,624.12-52,312.54

Finding the Fourth Proportional to 91,837.02, 137,624.12 and 52,312.54

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Solution

The fourth proportional to 91,837.02, 137,624.12 and 52,312.54 is: 78,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,837.02 : 137,624.12 = 52,312.54 : x
  2. Step 2: Convert to fraction form
    91,837.02/137,624.12 = 52,312.54/x
  3. Step 3: Cross multiply
    91,837.02x = 137,624.12 × 52,312.54
  4. Step 4: Simplify right side
    91,837.02x = 7,199,467,282.46
  5. Step 5: Solve for x
    x = 7,199,467,282.46/91,837.02
  6. Step 6: Final answer
    x = 78,393.96

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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.