Home / 61,666.42-92,421.75-51,402.10

Finding the Fourth Proportional to 61,666.42, 92,421.75 and 51,402.10

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Solution

The fourth proportional to 61,666.42, 92,421.75 and 51,402.10 is: 77,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,666.42 : 92,421.75 = 51,402.10 : x
  2. Step 2: Convert to fraction form
    61,666.42/92,421.75 = 51,402.10/x
  3. Step 3: Cross multiply
    61,666.42x = 92,421.75 × 51,402.10
  4. Step 4: Simplify right side
    61,666.42x = 4,750,672,035.68
  5. Step 5: Solve for x
    x = 4,750,672,035.68/61,666.42
  6. Step 6: Final answer
    x = 77,038.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.