Home / 89,754.16-134,661.48-50,342.80

Finding the Fourth Proportional to 89,754.16, 134,661.48 and 50,342.80

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Solution

The fourth proportional to 89,754.16, 134,661.48 and 50,342.80 is: 75,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,754.16 : 134,661.48 = 50,342.80 : x
  2. Step 2: Convert to fraction form
    89,754.16/134,661.48 = 50,342.80/x
  3. Step 3: Cross multiply
    89,754.16x = 134,661.48 × 50,342.80
  4. Step 4: Simplify right side
    89,754.16x = 6,779,235,955.34
  5. Step 5: Solve for x
    x = 6,779,235,955.34/89,754.16
  6. Step 6: Final answer
    x = 75,531.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.