Home / 74,937.84-103,406.40-43,111.32

Finding the Fourth Proportional to 74,937.84, 103,406.40 and 43,111.32

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Solution

The fourth proportional to 74,937.84, 103,406.40 and 43,111.32 is: 59,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,937.84 : 103,406.40 = 43,111.32 : x
  2. Step 2: Convert to fraction form
    74,937.84/103,406.40 = 43,111.32/x
  3. Step 3: Cross multiply
    74,937.84x = 103,406.40 × 43,111.32
  4. Step 4: Simplify right side
    74,937.84x = 4,457,986,400.45
  5. Step 5: Solve for x
    x = 4,457,986,400.45/74,937.84
  6. Step 6: Final answer
    x = 59,489.12

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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.