Home / 74,077.29-102,225.88-40,085.03

Finding the Fourth Proportional to 74,077.29, 102,225.88 and 40,085.03

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Solution

The fourth proportional to 74,077.29, 102,225.88 and 40,085.03 is: 55,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,077.29 : 102,225.88 = 40,085.03 : x
  2. Step 2: Convert to fraction form
    74,077.29/102,225.88 = 40,085.03/x
  3. Step 3: Cross multiply
    74,077.29x = 102,225.88 × 40,085.03
  4. Step 4: Simplify right side
    74,077.29x = 4,097,727,772.25
  5. Step 5: Solve for x
    x = 4,097,727,772.25/74,077.29
  6. Step 6: Final answer
    x = 55,316.92

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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.