Home / 74,931.18-103,403.82-40,938.93

Finding the Fourth Proportional to 74,931.18, 103,403.82 and 40,938.93

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Solution

The fourth proportional to 74,931.18, 103,403.82 and 40,938.93 is: 56,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931.18 : 103,403.82 = 40,938.93 : x
  2. Step 2: Convert to fraction form
    74,931.18/103,403.82 = 40,938.93/x
  3. Step 3: Cross multiply
    74,931.18x = 103,403.82 × 40,938.93
  4. Step 4: Simplify right side
    74,931.18x = 4,233,241,748.71
  5. Step 5: Solve for x
    x = 4,233,241,748.71/74,931.18
  6. Step 6: Final answer
    x = 56,495.06

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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.