Home / 125,023.50-172,533.24-71,307.95

Finding the Fourth Proportional to 125,023.50, 172,533.24 and 71,307.95

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Solution

The fourth proportional to 125,023.50, 172,533.24 and 71,307.95 is: 98,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,023.50 : 172,533.24 = 71,307.95 : x
  2. Step 2: Convert to fraction form
    125,023.50/172,533.24 = 71,307.95/x
  3. Step 3: Cross multiply
    125,023.50x = 172,533.24 × 71,307.95
  4. Step 4: Simplify right side
    125,023.50x = 12,302,990,788.59
  5. Step 5: Solve for x
    x = 12,302,990,788.59/125,023.50
  6. Step 6: Final answer
    x = 98,405.43

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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.