Home / 56,885.64-78,479.73-35,657.16

Finding the Fourth Proportional to 56,885.64, 78,479.73 and 35,657.16

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Solution

The fourth proportional to 56,885.64, 78,479.73 and 35,657.16 is: 49,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,885.64 : 78,479.73 = 35,657.16 : x
  2. Step 2: Convert to fraction form
    56,885.64/78,479.73 = 35,657.16/x
  3. Step 3: Cross multiply
    56,885.64x = 78,479.73 × 35,657.16
  4. Step 4: Simplify right side
    56,885.64x = 2,798,364,289.37
  5. Step 5: Solve for x
    x = 2,798,364,289.37/56,885.64
  6. Step 6: Final answer
    x = 49,192.81

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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.