Home / 61,658.13-85,087.77-34,800.40

Finding the Fourth Proportional to 61,658.13, 85,087.77 and 34,800.40

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Solution

The fourth proportional to 61,658.13, 85,087.77 and 34,800.40 is: 48,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,658.13 : 85,087.77 = 34,800.40 : x
  2. Step 2: Convert to fraction form
    61,658.13/85,087.77 = 34,800.40/x
  3. Step 3: Cross multiply
    61,658.13x = 85,087.77 × 34,800.40
  4. Step 4: Simplify right side
    61,658.13x = 2,961,088,431.11
  5. Step 5: Solve for x
    x = 2,961,088,431.11/61,658.13
  6. Step 6: Final answer
    x = 48,024.30

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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.