Home / 125,417.39-173,069.95-71,708.32

Finding the Fourth Proportional to 125,417.39, 173,069.95 and 71,708.32

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Solution

The fourth proportional to 125,417.39, 173,069.95 and 71,708.32 is: 98,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,417.39 : 173,069.95 = 71,708.32 : x
  2. Step 2: Convert to fraction form
    125,417.39/173,069.95 = 71,708.32/x
  3. Step 3: Cross multiply
    125,417.39x = 173,069.95 × 71,708.32
  4. Step 4: Simplify right side
    125,417.39x = 12,410,554,133.09
  5. Step 5: Solve for x
    x = 12,410,554,133.09/125,417.39
  6. Step 6: Final answer
    x = 98,954.01

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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.