Home / 74,878.16-112,347.81-48,238.07

Finding the Fourth Proportional to 74,878.16, 112,347.81 and 48,238.07

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Solution

The fourth proportional to 74,878.16, 112,347.81 and 48,238.07 is: 72,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,878.16 : 112,347.81 = 48,238.07 : x
  2. Step 2: Convert to fraction form
    74,878.16/112,347.81 = 48,238.07/x
  3. Step 3: Cross multiply
    74,878.16x = 112,347.81 × 48,238.07
  4. Step 4: Simplify right side
    74,878.16x = 5,419,440,961.39
  5. Step 5: Solve for x
    x = 5,419,440,961.39/74,878.16
  6. Step 6: Final answer
    x = 72,376.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.