Home / 72,041.18-99,297.86-48,159.14

Finding the Fourth Proportional to 72,041.18, 99,297.86 and 48,159.14

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Solution

The fourth proportional to 72,041.18, 99,297.86 and 48,159.14 is: 66,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,041.18 : 99,297.86 = 48,159.14 : x
  2. Step 2: Convert to fraction form
    72,041.18/99,297.86 = 48,159.14/x
  3. Step 3: Cross multiply
    72,041.18x = 99,297.86 × 48,159.14
  4. Step 4: Simplify right side
    72,041.18x = 4,782,099,541.44
  5. Step 5: Solve for x
    x = 4,782,099,541.44/72,041.18
  6. Step 6: Final answer
    x = 66,380.08

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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.