Home / 118,545.40-163,592.67-64,830.52

Finding the Fourth Proportional to 118,545.40, 163,592.67 and 64,830.52

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Solution

The fourth proportional to 118,545.40, 163,592.67 and 64,830.52 is: 89,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,545.40 : 163,592.67 = 64,830.52 : x
  2. Step 2: Convert to fraction form
    118,545.40/163,592.67 = 64,830.52/x
  3. Step 3: Cross multiply
    118,545.40x = 163,592.67 × 64,830.52
  4. Step 4: Simplify right side
    118,545.40x = 10,605,797,864.29
  5. Step 5: Solve for x
    x = 10,605,797,864.29/118,545.40
  6. Step 6: Final answer
    x = 89,466.13

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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.