Home / 92,783.32-128,041.29-50,342.14

Finding the Fourth Proportional to 92,783.32, 128,041.29 and 50,342.14

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Solution

The fourth proportional to 92,783.32, 128,041.29 and 50,342.14 is: 69,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,783.32 : 128,041.29 = 50,342.14 : x
  2. Step 2: Convert to fraction form
    92,783.32/128,041.29 = 50,342.14/x
  3. Step 3: Cross multiply
    92,783.32x = 128,041.29 × 50,342.14
  4. Step 4: Simplify right side
    92,783.32x = 6,445,872,546.96
  5. Step 5: Solve for x
    x = 6,445,872,546.96/92,783.32
  6. Step 6: Final answer
    x = 69,472.32

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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.