Home / 74,580.23-102,920.01-40,588.76

Finding the Fourth Proportional to 74,580.23, 102,920.01 and 40,588.76

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Solution

The fourth proportional to 74,580.23, 102,920.01 and 40,588.76 is: 56,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,580.23 : 102,920.01 = 40,588.76 : x
  2. Step 2: Convert to fraction form
    74,580.23/102,920.01 = 40,588.76/x
  3. Step 3: Cross multiply
    74,580.23x = 102,920.01 × 40,588.76
  4. Step 4: Simplify right side
    74,580.23x = 4,177,395,070.49
  5. Step 5: Solve for x
    x = 4,177,395,070.49/74,580.23
  6. Step 6: Final answer
    x = 56,012.10

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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.