Home / 90,930.16-136,477.80-46,587.52

Finding the Fourth Proportional to 90,930.16, 136,477.80 and 46,587.52

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Solution

The fourth proportional to 90,930.16, 136,477.80 and 46,587.52 is: 69,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,930.16 : 136,477.80 = 46,587.52 : x
  2. Step 2: Convert to fraction form
    90,930.16/136,477.80 = 46,587.52/x
  3. Step 3: Cross multiply
    90,930.16x = 136,477.80 × 46,587.52
  4. Step 4: Simplify right side
    90,930.16x = 6,358,162,237.06
  5. Step 5: Solve for x
    x = 6,358,162,237.06/90,930.16
  6. Step 6: Final answer
    x = 69,923.58

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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.