Home / 109,639.39-151,302.36-59,338.39

Finding the Fourth Proportional to 109,639.39, 151,302.36 and 59,338.39

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Solution

The fourth proportional to 109,639.39, 151,302.36 and 59,338.39 is: 81,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,639.39 : 151,302.36 = 59,338.39 : x
  2. Step 2: Convert to fraction form
    109,639.39/151,302.36 = 59,338.39/x
  3. Step 3: Cross multiply
    109,639.39x = 151,302.36 × 59,338.39
  4. Step 4: Simplify right side
    109,639.39x = 8,978,038,445.60
  5. Step 5: Solve for x
    x = 8,978,038,445.60/109,639.39
  6. Step 6: Final answer
    x = 81,886.98

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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.