Home / 84,058.16-115,999.50-45,817.70

Finding the Fourth Proportional to 84,058.16, 115,999.50 and 45,817.70

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Solution

The fourth proportional to 84,058.16, 115,999.50 and 45,817.70 is: 63,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,058.16 : 115,999.50 = 45,817.70 : x
  2. Step 2: Convert to fraction form
    84,058.16/115,999.50 = 45,817.70/x
  3. Step 3: Cross multiply
    84,058.16x = 115,999.50 × 45,817.70
  4. Step 4: Simplify right side
    84,058.16x = 5,314,830,291.15
  5. Step 5: Solve for x
    x = 5,314,830,291.15/84,058.16
  6. Step 6: Final answer
    x = 63,228.01

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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.