Home / 96,390.16-133,018.41-53,948.69

Finding the Fourth Proportional to 96,390.16, 133,018.41 and 53,948.69

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Solution

The fourth proportional to 96,390.16, 133,018.41 and 53,948.69 is: 74,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,390.16 : 133,018.41 = 53,948.69 : x
  2. Step 2: Convert to fraction form
    96,390.16/133,018.41 = 53,948.69/x
  3. Step 3: Cross multiply
    96,390.16x = 133,018.41 × 53,948.69
  4. Step 4: Simplify right side
    96,390.16x = 7,176,168,695.64
  5. Step 5: Solve for x
    x = 7,176,168,695.64/96,390.16
  6. Step 6: Final answer
    x = 74,449.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.