Home / 66,055.12-99,058.77-28,106.93

Finding the Fourth Proportional to 66,055.12, 99,058.77 and 28,106.93

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Solution

The fourth proportional to 66,055.12, 99,058.77 and 28,106.93 is: 42,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,055.12 : 99,058.77 = 28,106.93 : x
  2. Step 2: Convert to fraction form
    66,055.12/99,058.77 = 28,106.93/x
  3. Step 3: Cross multiply
    66,055.12x = 99,058.77 × 28,106.93
  4. Step 4: Simplify right side
    66,055.12x = 2,784,238,161.92
  5. Step 5: Solve for x
    x = 2,784,238,161.92/66,055.12
  6. Step 6: Final answer
    x = 42,150.23

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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.