Home / 60,681.16-91,043.10-31,112.92

Finding the Fourth Proportional to 60,681.16, 91,043.10 and 31,112.92

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Solution

The fourth proportional to 60,681.16, 91,043.10 and 31,112.92 is: 46,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,681.16 : 91,043.10 = 31,112.92 : x
  2. Step 2: Convert to fraction form
    60,681.16/91,043.10 = 31,112.92/x
  3. Step 3: Cross multiply
    60,681.16x = 91,043.10 × 31,112.92
  4. Step 4: Simplify right side
    60,681.16x = 2,832,616,686.85
  5. Step 5: Solve for x
    x = 2,832,616,686.85/60,681.16
  6. Step 6: Final answer
    x = 46,680.33

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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.