Home / 85,070.28-117,423.36-58,202.64

Finding the Fourth Proportional to 85,070.28, 117,423.36 and 58,202.64

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Solution

The fourth proportional to 85,070.28, 117,423.36 and 58,202.64 is: 80,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,070.28 : 117,423.36 = 58,202.64 : x
  2. Step 2: Convert to fraction form
    85,070.28/117,423.36 = 58,202.64/x
  3. Step 3: Cross multiply
    85,070.28x = 117,423.36 × 58,202.64
  4. Step 4: Simplify right side
    85,070.28x = 6,834,349,549.67
  5. Step 5: Solve for x
    x = 6,834,349,549.67/85,070.28
  6. Step 6: Final answer
    x = 80,337.69

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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.