Home / 72,077.13-99,466.41-40,246.01

Finding the Fourth Proportional to 72,077.13, 99,466.41 and 40,246.01

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Solution

The fourth proportional to 72,077.13, 99,466.41 and 40,246.01 is: 55,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,077.13 : 99,466.41 = 40,246.01 : x
  2. Step 2: Convert to fraction form
    72,077.13/99,466.41 = 40,246.01/x
  3. Step 3: Cross multiply
    72,077.13x = 99,466.41 × 40,246.01
  4. Step 4: Simplify right side
    72,077.13x = 4,003,125,930.29
  5. Step 5: Solve for x
    x = 4,003,125,930.29/72,077.13
  6. Step 6: Final answer
    x = 55,539.47

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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.