Home / 53,076.16-79,145.98-52,602.40

Finding the Fourth Proportional to 53,076.16, 79,145.98 and 52,602.40

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Solution

The fourth proportional to 53,076.16, 79,145.98 and 52,602.40 is: 78,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,076.16 : 79,145.98 = 52,602.40 : x
  2. Step 2: Convert to fraction form
    53,076.16/79,145.98 = 52,602.40/x
  3. Step 3: Cross multiply
    53,076.16x = 79,145.98 × 52,602.40
  4. Step 4: Simplify right side
    53,076.16x = 4,163,268,498.35
  5. Step 5: Solve for x
    x = 4,163,268,498.35/53,076.16
  6. Step 6: Final answer
    x = 78,439.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.