Home / 61,985.86-85,541.10-36,830.50

Finding the Fourth Proportional to 61,985.86, 85,541.10 and 36,830.50

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Solution

The fourth proportional to 61,985.86, 85,541.10 and 36,830.50 is: 50,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,985.86 : 85,541.10 = 36,830.50 : x
  2. Step 2: Convert to fraction form
    61,985.86/85,541.10 = 36,830.50/x
  3. Step 3: Cross multiply
    61,985.86x = 85,541.10 × 36,830.50
  4. Step 4: Simplify right side
    61,985.86x = 3,150,521,483.55
  5. Step 5: Solve for x
    x = 3,150,521,483.55/61,985.86
  6. Step 6: Final answer
    x = 50,826.45

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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.