Home / 85,061.45-117,421.16-60,548.22

Finding the Fourth Proportional to 85,061.45, 117,421.16 and 60,548.22

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Solution

The fourth proportional to 85,061.45, 117,421.16 and 60,548.22 is: 83,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,061.45 : 117,421.16 = 60,548.22 : x
  2. Step 2: Convert to fraction form
    85,061.45/117,421.16 = 60,548.22/x
  3. Step 3: Cross multiply
    85,061.45x = 117,421.16 × 60,548.22
  4. Step 4: Simplify right side
    85,061.45x = 7,109,641,925.59
  5. Step 5: Solve for x
    x = 7,109,641,925.59/85,061.45
  6. Step 6: Final answer
    x = 83,582.43

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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.