Home / 60,681.39-91,032.51-18,560.45

Finding the Fourth Proportional to 60,681.39, 91,032.51 and 18,560.45

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Solution

The fourth proportional to 60,681.39, 91,032.51 and 18,560.45 is: 27,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,681.39 : 91,032.51 = 18,560.45 : x
  2. Step 2: Convert to fraction form
    60,681.39/91,032.51 = 18,560.45/x
  3. Step 3: Cross multiply
    60,681.39x = 91,032.51 × 18,560.45
  4. Step 4: Simplify right side
    60,681.39x = 1,689,604,671.02
  5. Step 5: Solve for x
    x = 1,689,604,671.02/60,681.39
  6. Step 6: Final answer
    x = 27,843.87

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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.