Home / 98,956.40-136,557.24-53,632.40

Finding the Fourth Proportional to 98,956.40, 136,557.24 and 53,632.40

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Solution

The fourth proportional to 98,956.40, 136,557.24 and 53,632.40 is: 74,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,956.40 : 136,557.24 = 53,632.40 : x
  2. Step 2: Convert to fraction form
    98,956.40/136,557.24 = 53,632.40/x
  3. Step 3: Cross multiply
    98,956.40x = 136,557.24 × 53,632.40
  4. Step 4: Simplify right side
    98,956.40x = 7,323,892,518.58
  5. Step 5: Solve for x
    x = 7,323,892,518.58/98,956.40
  6. Step 6: Final answer
    x = 74,011.31

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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.