Home / 74,526.18-102,860.74-42,716.40

Finding the Fourth Proportional to 74,526.18, 102,860.74 and 42,716.40

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Solution

The fourth proportional to 74,526.18, 102,860.74 and 42,716.40 is: 58,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,526.18 : 102,860.74 = 42,716.40 : x
  2. Step 2: Convert to fraction form
    74,526.18/102,860.74 = 42,716.40/x
  3. Step 3: Cross multiply
    74,526.18x = 102,860.74 × 42,716.40
  4. Step 4: Simplify right side
    74,526.18x = 4,393,840,514.14
  5. Step 5: Solve for x
    x = 4,393,840,514.14/74,526.18
  6. Step 6: Final answer
    x = 58,957.01

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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.