Home / 74,935.40-103,407.64-40,943.34

Finding the Fourth Proportional to 74,935.40, 103,407.64 and 40,943.34

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Solution

The fourth proportional to 74,935.40, 103,407.64 and 40,943.34 is: 56,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,935.40 : 103,407.64 = 40,943.34 : x
  2. Step 2: Convert to fraction form
    74,935.40/103,407.64 = 40,943.34/x
  3. Step 3: Cross multiply
    74,935.40x = 103,407.64 × 40,943.34
  4. Step 4: Simplify right side
    74,935.40x = 4,233,854,060.76
  5. Step 5: Solve for x
    x = 4,233,854,060.76/74,935.40
  6. Step 6: Final answer
    x = 56,500.06

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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.