Home / 61,378.16-84,854.08-60,817.74

Finding the Fourth Proportional to 61,378.16, 84,854.08 and 60,817.74

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Solution

The fourth proportional to 61,378.16, 84,854.08 and 60,817.74 is: 84,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,378.16 : 84,854.08 = 60,817.74 : x
  2. Step 2: Convert to fraction form
    61,378.16/84,854.08 = 60,817.74/x
  3. Step 3: Cross multiply
    61,378.16x = 84,854.08 × 60,817.74
  4. Step 4: Simplify right side
    61,378.16x = 5,160,633,133.20
  5. Step 5: Solve for x
    x = 5,160,633,133.20/61,378.16
  6. Step 6: Final answer
    x = 84,079.31

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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.