Home / 118,631.93-163,711.86-64,916.93

Finding the Fourth Proportional to 118,631.93, 163,711.86 and 64,916.93

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Solution

The fourth proportional to 118,631.93, 163,711.86 and 64,916.93 is: 89,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,631.93 : 163,711.86 = 64,916.93 : x
  2. Step 2: Convert to fraction form
    118,631.93/163,711.86 = 64,916.93/x
  3. Step 3: Cross multiply
    118,631.93x = 163,711.86 × 64,916.93
  4. Step 4: Simplify right side
    118,631.93x = 10,627,671,355.79
  5. Step 5: Solve for x
    x = 10,627,671,355.79/118,631.93
  6. Step 6: Final answer
    x = 89,585.25

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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.