Home / 92,779.59-128,036.30-50,338.13

Finding the Fourth Proportional to 92,779.59, 128,036.30 and 50,338.13

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Solution

The fourth proportional to 92,779.59, 128,036.30 and 50,338.13 is: 69,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,779.59 : 128,036.30 = 50,338.13 : x
  2. Step 2: Convert to fraction form
    92,779.59/128,036.30 = 50,338.13/x
  3. Step 3: Cross multiply
    92,779.59x = 128,036.30 × 50,338.13
  4. Step 4: Simplify right side
    92,779.59x = 6,445,107,022.25
  5. Step 5: Solve for x
    x = 6,445,107,022.25/92,779.59
  6. Step 6: Final answer
    x = 69,466.86

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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.