Home / 85,630.08-118,166.28-47,904.30

Finding the Fourth Proportional to 85,630.08, 118,166.28 and 47,904.30

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Solution

The fourth proportional to 85,630.08, 118,166.28 and 47,904.30 is: 66,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,630.08 : 118,166.28 = 47,904.30 : x
  2. Step 2: Convert to fraction form
    85,630.08/118,166.28 = 47,904.30/x
  3. Step 3: Cross multiply
    85,630.08x = 118,166.28 × 47,904.30
  4. Step 4: Simplify right side
    85,630.08x = 5,660,672,927.00
  5. Step 5: Solve for x
    x = 5,660,672,927.00/85,630.08
  6. Step 6: Final answer
    x = 66,106.13

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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.