Home / 85,598.04-118,130.76-47,872.56

Finding the Fourth Proportional to 85,598.04, 118,130.76 and 47,872.56

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Solution

The fourth proportional to 85,598.04, 118,130.76 and 47,872.56 is: 66,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,598.04 : 118,130.76 = 47,872.56 : x
  2. Step 2: Convert to fraction form
    85,598.04/118,130.76 = 47,872.56/x
  3. Step 3: Cross multiply
    85,598.04x = 118,130.76 × 47,872.56
  4. Step 4: Simplify right side
    85,598.04x = 5,655,221,895.95
  5. Step 5: Solve for x
    x = 5,655,221,895.95/85,598.04
  6. Step 6: Final answer
    x = 66,067.19

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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.