Home / 61,779.29-85,246.49-34,555.23

Finding the Fourth Proportional to 61,779.29, 85,246.49 and 34,555.23

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Solution

The fourth proportional to 61,779.29, 85,246.49 and 34,555.23 is: 47,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,779.29 : 85,246.49 = 34,555.23 : x
  2. Step 2: Convert to fraction form
    61,779.29/85,246.49 = 34,555.23/x
  3. Step 3: Cross multiply
    61,779.29x = 85,246.49 × 34,555.23
  4. Step 4: Simplify right side
    61,779.29x = 2,945,712,155.03
  5. Step 5: Solve for x
    x = 2,945,712,155.03/61,779.29
  6. Step 6: Final answer
    x = 47,681.23

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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.