Home / 85,740.89-118,322.39-47,502.92

Finding the Fourth Proportional to 85,740.89, 118,322.39 and 47,502.92

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Solution

The fourth proportional to 85,740.89, 118,322.39 and 47,502.92 is: 65,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,740.89 : 118,322.39 = 47,502.92 : x
  2. Step 2: Convert to fraction form
    85,740.89/118,322.39 = 47,502.92/x
  3. Step 3: Cross multiply
    85,740.89x = 118,322.39 × 47,502.92
  4. Step 4: Simplify right side
    85,740.89x = 5,620,658,553.52
  5. Step 5: Solve for x
    x = 5,620,658,553.52/85,740.89
  6. Step 6: Final answer
    x = 65,554.00

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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.