Home / 118,521.24-163,562.40-64,808.52

Finding the Fourth Proportional to 118,521.24, 163,562.40 and 64,808.52

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Solution

The fourth proportional to 118,521.24, 163,562.40 and 64,808.52 is: 89,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,521.24 : 163,562.40 = 64,808.52 : x
  2. Step 2: Convert to fraction form
    118,521.24/163,562.40 = 64,808.52/x
  3. Step 3: Cross multiply
    118,521.24x = 163,562.40 × 64,808.52
  4. Step 4: Simplify right side
    118,521.24x = 10,600,237,071.65
  5. Step 5: Solve for x
    x = 10,600,237,071.65/118,521.24
  6. Step 6: Final answer
    x = 89,437.45

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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.