Home / 72,696.57-100,319.96-44,402.26

Finding the Fourth Proportional to 72,696.57, 100,319.96 and 44,402.26

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Solution

The fourth proportional to 72,696.57, 100,319.96 and 44,402.26 is: 61,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,696.57 : 100,319.96 = 44,402.26 : x
  2. Step 2: Convert to fraction form
    72,696.57/100,319.96 = 44,402.26/x
  3. Step 3: Cross multiply
    72,696.57x = 100,319.96 × 44,402.26
  4. Step 4: Simplify right side
    72,696.57x = 4,454,432,947.11
  5. Step 5: Solve for x
    x = 4,454,432,947.11/72,696.57
  6. Step 6: Final answer
    x = 61,274.32

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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.