Home / 109,675.39-151,352.02-61,277.32

Finding the Fourth Proportional to 109,675.39, 151,352.02 and 61,277.32

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Solution

The fourth proportional to 109,675.39, 151,352.02 and 61,277.32 is: 84,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,675.39 : 151,352.02 = 61,277.32 : x
  2. Step 2: Convert to fraction form
    109,675.39/151,352.02 = 61,277.32/x
  3. Step 3: Cross multiply
    109,675.39x = 151,352.02 × 61,277.32
  4. Step 4: Simplify right side
    109,675.39x = 9,274,445,855.80
  5. Step 5: Solve for x
    x = 9,274,445,855.80/109,675.39
  6. Step 6: Final answer
    x = 84,562.69

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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.