Home / 89,420.16-134,130.12-22,860.36

Finding the Fourth Proportional to 89,420.16, 134,130.12 and 22,860.36

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Solution

The fourth proportional to 89,420.16, 134,130.12 and 22,860.36 is: 34,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,420.16 : 134,130.12 = 22,860.36 : x
  2. Step 2: Convert to fraction form
    89,420.16/134,130.12 = 22,860.36/x
  3. Step 3: Cross multiply
    89,420.16x = 134,130.12 × 22,860.36
  4. Step 4: Simplify right side
    89,420.16x = 3,066,262,830.04
  5. Step 5: Solve for x
    x = 3,066,262,830.04/89,420.16
  6. Step 6: Final answer
    x = 34,290.51

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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.