Home / 85,534.98-118,033.51-47,292.31

Finding the Fourth Proportional to 85,534.98, 118,033.51 and 47,292.31

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Solution

The fourth proportional to 85,534.98, 118,033.51 and 47,292.31 is: 65,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534.98 : 118,033.51 = 47,292.31 : x
  2. Step 2: Convert to fraction form
    85,534.98/118,033.51 = 47,292.31/x
  3. Step 3: Cross multiply
    85,534.98x = 118,033.51 × 47,292.31
  4. Step 4: Simplify right side
    85,534.98x = 5,582,077,345.31
  5. Step 5: Solve for x
    x = 5,582,077,345.31/85,534.98
  6. Step 6: Final answer
    x = 65,260.75

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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.