Home / 94,688.40-142,032.60-71,068.80

Finding the Fourth Proportional to 94,688.40, 142,032.60 and 71,068.80

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Solution

The fourth proportional to 94,688.40, 142,032.60 and 71,068.80 is: 106,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,688.40 : 142,032.60 = 71,068.80 : x
  2. Step 2: Convert to fraction form
    94,688.40/142,032.60 = 71,068.80/x
  3. Step 3: Cross multiply
    94,688.40x = 142,032.60 × 71,068.80
  4. Step 4: Simplify right side
    94,688.40x = 10,094,086,442.88
  5. Step 5: Solve for x
    x = 10,094,086,442.88/94,688.40
  6. Step 6: Final answer
    x = 106,603.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.