Home / 61,008.14-91,106.20-60,348.40

Finding the Fourth Proportional to 61,008.14, 91,106.20 and 60,348.40

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Solution

The fourth proportional to 61,008.14, 91,106.20 and 60,348.40 is: 90,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,008.14 : 91,106.20 = 60,348.40 : x
  2. Step 2: Convert to fraction form
    61,008.14/91,106.20 = 60,348.40/x
  3. Step 3: Cross multiply
    61,008.14x = 91,106.20 × 60,348.40
  4. Step 4: Simplify right side
    61,008.14x = 5,498,113,400.08
  5. Step 5: Solve for x
    x = 5,498,113,400.08/61,008.14
  6. Step 6: Final answer
    x = 90,120.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.