Home / 71,118.18-98,146.07-40,903.51

Finding the Fourth Proportional to 71,118.18, 98,146.07 and 40,903.51

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Solution

The fourth proportional to 71,118.18, 98,146.07 and 40,903.51 is: 56,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,118.18 : 98,146.07 = 40,903.51 : x
  2. Step 2: Convert to fraction form
    71,118.18/98,146.07 = 40,903.51/x
  3. Step 3: Cross multiply
    71,118.18x = 98,146.07 × 40,903.51
  4. Step 4: Simplify right side
    71,118.18x = 4,014,518,755.71
  5. Step 5: Solve for x
    x = 4,014,518,755.71/71,118.18
  6. Step 6: Final answer
    x = 56,448.56

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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.