Home / 93,148.49-128,545.71-50,706.92

Finding the Fourth Proportional to 93,148.49, 128,545.71 and 50,706.92

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Solution

The fourth proportional to 93,148.49, 128,545.71 and 50,706.92 is: 69,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,148.49 : 128,545.71 = 50,706.92 : x
  2. Step 2: Convert to fraction form
    93,148.49/128,545.71 = 50,706.92/x
  3. Step 3: Cross multiply
    93,148.49x = 128,545.71 × 50,706.92
  4. Step 4: Simplify right side
    93,148.49x = 6,518,157,033.31
  5. Step 5: Solve for x
    x = 6,518,157,033.31/93,148.49
  6. Step 6: Final answer
    x = 69,975.98

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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.