Home / 125,734.64-173,518.36-72,030.03

Finding the Fourth Proportional to 125,734.64, 173,518.36 and 72,030.03

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Solution

The fourth proportional to 125,734.64, 173,518.36 and 72,030.03 is: 99,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,734.64 : 173,518.36 = 72,030.03 : x
  2. Step 2: Convert to fraction form
    125,734.64/173,518.36 = 72,030.03/x
  3. Step 3: Cross multiply
    125,734.64x = 173,518.36 × 72,030.03
  4. Step 4: Simplify right side
    125,734.64x = 12,498,533,075.34
  5. Step 5: Solve for x
    x = 12,498,533,075.34/125,734.64
  6. Step 6: Final answer
    x = 99,404.06

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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.