Home / 74,923.07-103,392.09-40,931.66

Finding the Fourth Proportional to 74,923.07, 103,392.09 and 40,931.66

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Solution

The fourth proportional to 74,923.07, 103,392.09 and 40,931.66 is: 56,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.07 : 103,392.09 = 40,931.66 : x
  2. Step 2: Convert to fraction form
    74,923.07/103,392.09 = 40,931.66/x
  3. Step 3: Cross multiply
    74,923.07x = 103,392.09 × 40,931.66
  4. Step 4: Simplify right side
    74,923.07x = 4,232,009,357.61
  5. Step 5: Solve for x
    x = 4,232,009,357.61/74,923.07
  6. Step 6: Final answer
    x = 56,484.73

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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.