Home / 85,753.08-118,384.74-64,582.92

Finding the Fourth Proportional to 85,753.08, 118,384.74 and 64,582.92

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Solution

The fourth proportional to 85,753.08, 118,384.74 and 64,582.92 is: 89,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,753.08 : 118,384.74 = 64,582.92 : x
  2. Step 2: Convert to fraction form
    85,753.08/118,384.74 = 64,582.92/x
  3. Step 3: Cross multiply
    85,753.08x = 118,384.74 × 64,582.92
  4. Step 4: Simplify right side
    85,753.08x = 7,645,632,192.64
  5. Step 5: Solve for x
    x = 7,645,632,192.64/85,753.08
  6. Step 6: Final answer
    x = 89,158.69

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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.