Home / 84,115.60-116,077.98-45,875.44

Finding the Fourth Proportional to 84,115.60, 116,077.98 and 45,875.44

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Solution

The fourth proportional to 84,115.60, 116,077.98 and 45,875.44 is: 63,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,115.60 : 116,077.98 = 45,875.44 : x
  2. Step 2: Convert to fraction form
    84,115.60/116,077.98 = 45,875.44/x
  3. Step 3: Cross multiply
    84,115.60x = 116,077.98 × 45,875.44
  4. Step 4: Simplify right side
    84,115.60x = 5,325,128,406.81
  5. Step 5: Solve for x
    x = 5,325,128,406.81/84,115.60
  6. Step 6: Final answer
    x = 63,307.26

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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.