Home / 85,265.92-117,614.80-56,587.04

Finding the Fourth Proportional to 85,265.92, 117,614.80 and 56,587.04

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Solution

The fourth proportional to 85,265.92, 117,614.80 and 56,587.04 is: 78,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,265.92 : 117,614.80 = 56,587.04 : x
  2. Step 2: Convert to fraction form
    85,265.92/117,614.80 = 56,587.04/x
  3. Step 3: Cross multiply
    85,265.92x = 117,614.80 × 56,587.04
  4. Step 4: Simplify right side
    85,265.92x = 6,655,473,392.19
  5. Step 5: Solve for x
    x = 6,655,473,392.19/85,265.92
  6. Step 6: Final answer
    x = 78,055.49

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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.