Home / 125,718.77-173,477.36-72,000.59

Finding the Fourth Proportional to 125,718.77, 173,477.36 and 72,000.59

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Solution

The fourth proportional to 125,718.77, 173,477.36 and 72,000.59 is: 99,352.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,718.77 : 173,477.36 = 72,000.59 : x
  2. Step 2: Convert to fraction form
    125,718.77/173,477.36 = 72,000.59/x
  3. Step 3: Cross multiply
    125,718.77x = 173,477.36 × 72,000.59
  4. Step 4: Simplify right side
    125,718.77x = 12,490,471,584.26
  5. Step 5: Solve for x
    x = 12,490,471,584.26/125,718.77
  6. Step 6: Final answer
    x = 99,352.48

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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.