Home / 61,431.48-84,779.73-34,576.56

Finding the Fourth Proportional to 61,431.48, 84,779.73 and 34,576.56

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Solution

The fourth proportional to 61,431.48, 84,779.73 and 34,576.56 is: 47,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,431.48 : 84,779.73 = 34,576.56 : x
  2. Step 2: Convert to fraction form
    61,431.48/84,779.73 = 34,576.56/x
  3. Step 3: Cross multiply
    61,431.48x = 84,779.73 × 34,576.56
  4. Step 4: Simplify right side
    61,431.48x = 2,931,391,421.13
  5. Step 5: Solve for x
    x = 2,931,391,421.13/61,431.48
  6. Step 6: Final answer
    x = 47,718.07

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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.