Home / 92,721.38-127,955.50-50,280.01

Finding the Fourth Proportional to 92,721.38, 127,955.50 and 50,280.01

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Solution

The fourth proportional to 92,721.38, 127,955.50 and 50,280.01 is: 69,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,721.38 : 127,955.50 = 50,280.01 : x
  2. Step 2: Convert to fraction form
    92,721.38/127,955.50 = 50,280.01/x
  3. Step 3: Cross multiply
    92,721.38x = 127,955.50 × 50,280.01
  4. Step 4: Simplify right side
    92,721.38x = 6,433,603,373.97
  5. Step 5: Solve for x
    x = 6,433,603,373.97/92,721.38
  6. Step 6: Final answer
    x = 69,386.41

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1.5x scale

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.