Home / 61,255.18-84,530.01-37,421.74

Finding the Fourth Proportional to 61,255.18, 84,530.01 and 37,421.74

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Solution

The fourth proportional to 61,255.18, 84,530.01 and 37,421.74 is: 51,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,255.18 : 84,530.01 = 37,421.74 : x
  2. Step 2: Convert to fraction form
    61,255.18/84,530.01 = 37,421.74/x
  3. Step 3: Cross multiply
    61,255.18x = 84,530.01 × 37,421.74
  4. Step 4: Simplify right side
    61,255.18x = 3,163,260,056.42
  5. Step 5: Solve for x
    x = 3,163,260,056.42/61,255.18
  6. Step 6: Final answer
    x = 51,640.69

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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.