Home / 84,685.76-116,857.93-48,887.30

Finding the Fourth Proportional to 84,685.76, 116,857.93 and 48,887.30

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Solution

The fourth proportional to 84,685.76, 116,857.93 and 48,887.30 is: 67,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685.76 : 116,857.93 = 48,887.30 : x
  2. Step 2: Convert to fraction form
    84,685.76/116,857.93 = 48,887.30/x
  3. Step 3: Cross multiply
    84,685.76x = 116,857.93 × 48,887.30
  4. Step 4: Simplify right side
    84,685.76x = 5,712,868,681.29
  5. Step 5: Solve for x
    x = 5,712,868,681.29/84,685.76
  6. Step 6: Final answer
    x = 67,459.61

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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.