Home / 93,152.12-128,550.71-50,710.55

Finding the Fourth Proportional to 93,152.12, 128,550.71 and 50,710.55

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Solution

The fourth proportional to 93,152.12, 128,550.71 and 50,710.55 is: 69,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,152.12 : 128,550.71 = 50,710.55 : x
  2. Step 2: Convert to fraction form
    93,152.12/128,550.71 = 50,710.55/x
  3. Step 3: Cross multiply
    93,152.12x = 128,550.71 × 50,710.55
  4. Step 4: Simplify right side
    93,152.12x = 6,518,876,691.01
  5. Step 5: Solve for x
    x = 6,518,876,691.01/93,152.12
  6. Step 6: Final answer
    x = 69,980.98

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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.