Home / 81,569.67-112,566.33-47,601.51

Finding the Fourth Proportional to 81,569.67, 112,566.33 and 47,601.51

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Solution

The fourth proportional to 81,569.67, 112,566.33 and 47,601.51 is: 65,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,569.67 : 112,566.33 = 47,601.51 : x
  2. Step 2: Convert to fraction form
    81,569.67/112,566.33 = 47,601.51/x
  3. Step 3: Cross multiply
    81,569.67x = 112,566.33 × 47,601.51
  4. Step 4: Simplify right side
    81,569.67x = 5,358,327,283.16
  5. Step 5: Solve for x
    x = 5,358,327,283.16/81,569.67
  6. Step 6: Final answer
    x = 65,690.19

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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.