Home / 61,890.32-85,445.88-58,347.92

Finding the Fourth Proportional to 61,890.32, 85,445.88 and 58,347.92

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Solution

The fourth proportional to 61,890.32, 85,445.88 and 58,347.92 is: 80,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,890.32 : 85,445.88 = 58,347.92 : x
  2. Step 2: Convert to fraction form
    61,890.32/85,445.88 = 58,347.92/x
  3. Step 3: Cross multiply
    61,890.32x = 85,445.88 × 58,347.92
  4. Step 4: Simplify right side
    61,890.32x = 4,985,589,370.57
  5. Step 5: Solve for x
    x = 4,985,589,370.57/61,890.32
  6. Step 6: Final answer
    x = 80,555.24

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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.