Home / 85,783.86-118,381.68-48,058.02

Finding the Fourth Proportional to 85,783.86, 118,381.68 and 48,058.02

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Solution

The fourth proportional to 85,783.86, 118,381.68 and 48,058.02 is: 66,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,783.86 : 118,381.68 = 48,058.02 : x
  2. Step 2: Convert to fraction form
    85,783.86/118,381.68 = 48,058.02/x
  3. Step 3: Cross multiply
    85,783.86x = 118,381.68 × 48,058.02
  4. Step 4: Simplify right side
    85,783.86x = 5,689,189,145.07
  5. Step 5: Solve for x
    x = 5,689,189,145.07/85,783.86
  6. Step 6: Final answer
    x = 66,320.04

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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.