Home / 56,931.98-85,401.08-23,655.40

Finding the Fourth Proportional to 56,931.98, 85,401.08 and 23,655.40

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Solution

The fourth proportional to 56,931.98, 85,401.08 and 23,655.40 is: 35,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.98 : 85,401.08 = 23,655.40 : x
  2. Step 2: Convert to fraction form
    56,931.98/85,401.08 = 23,655.40/x
  3. Step 3: Cross multiply
    56,931.98x = 85,401.08 × 23,655.40
  4. Step 4: Simplify right side
    56,931.98x = 2,020,196,553.47
  5. Step 5: Solve for x
    x = 2,020,196,553.47/56,931.98
  6. Step 6: Final answer
    x = 35,484.39

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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.