Home / 121,865.78-182,730.75-37,602.02

Finding the Fourth Proportional to 121,865.78, 182,730.75 and 37,602.02

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Solution

The fourth proportional to 121,865.78, 182,730.75 and 37,602.02 is: 56,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,865.78 : 182,730.75 = 37,602.02 : x
  2. Step 2: Convert to fraction form
    121,865.78/182,730.75 = 37,602.02/x
  3. Step 3: Cross multiply
    121,865.78x = 182,730.75 × 37,602.02
  4. Step 4: Simplify right side
    121,865.78x = 6,871,045,316.12
  5. Step 5: Solve for x
    x = 6,871,045,316.12/121,865.78
  6. Step 6: Final answer
    x = 56,382.07

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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.