Home / 74,602.07-102,950.56-40,612.45

Finding the Fourth Proportional to 74,602.07, 102,950.56 and 40,612.45

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Solution

The fourth proportional to 74,602.07, 102,950.56 and 40,612.45 is: 56,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602.07 : 102,950.56 = 40,612.45 : x
  2. Step 2: Convert to fraction form
    74,602.07/102,950.56 = 40,612.45/x
  3. Step 3: Cross multiply
    74,602.07x = 102,950.56 × 40,612.45
  4. Step 4: Simplify right side
    74,602.07x = 4,181,074,470.47
  5. Step 5: Solve for x
    x = 4,181,074,470.47/74,602.07
  6. Step 6: Final answer
    x = 56,045.02

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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.