Home / 94,218.19-130,023.83-51,779.45

Finding the Fourth Proportional to 94,218.19, 130,023.83 and 51,779.45

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Solution

The fourth proportional to 94,218.19, 130,023.83 and 51,779.45 is: 71,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,218.19 : 130,023.83 = 51,779.45 : x
  2. Step 2: Convert to fraction form
    94,218.19/130,023.83 = 51,779.45/x
  3. Step 3: Cross multiply
    94,218.19x = 130,023.83 × 51,779.45
  4. Step 4: Simplify right side
    94,218.19x = 6,732,562,858.80
  5. Step 5: Solve for x
    x = 6,732,562,858.80/94,218.19
  6. Step 6: Final answer
    x = 71,457.15

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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.