Home / 74,421.40-102,699.74-42,588.26

Finding the Fourth Proportional to 74,421.40, 102,699.74 and 42,588.26

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Solution

The fourth proportional to 74,421.40, 102,699.74 and 42,588.26 is: 58,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,421.40 : 102,699.74 = 42,588.26 : x
  2. Step 2: Convert to fraction form
    74,421.40/102,699.74 = 42,588.26/x
  3. Step 3: Cross multiply
    74,421.40x = 102,699.74 × 42,588.26
  4. Step 4: Simplify right side
    74,421.40x = 4,373,803,229.05
  5. Step 5: Solve for x
    x = 4,373,803,229.05/74,421.40
  6. Step 6: Final answer
    x = 58,770.77

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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.