Home / 57,117.12-85,681.43-19,672.26

Finding the Fourth Proportional to 57,117.12, 85,681.43 and 19,672.26

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Solution

The fourth proportional to 57,117.12, 85,681.43 and 19,672.26 is: 29,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,117.12 : 85,681.43 = 19,672.26 : x
  2. Step 2: Convert to fraction form
    57,117.12/85,681.43 = 19,672.26/x
  3. Step 3: Cross multiply
    57,117.12x = 85,681.43 × 19,672.26
  4. Step 4: Simplify right side
    57,117.12x = 1,685,547,269.77
  5. Step 5: Solve for x
    x = 1,685,547,269.77/57,117.12
  6. Step 6: Final answer
    x = 29,510.37

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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.