Home / 125,792.02-173,617.80-72,113.08

Finding the Fourth Proportional to 125,792.02, 173,617.80 and 72,113.08

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Solution

The fourth proportional to 125,792.02, 173,617.80 and 72,113.08 is: 99,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,792.02 : 173,617.80 = 72,113.08 : x
  2. Step 2: Convert to fraction form
    125,792.02/173,617.80 = 72,113.08/x
  3. Step 3: Cross multiply
    125,792.02x = 173,617.80 × 72,113.08
  4. Step 4: Simplify right side
    125,792.02x = 12,520,114,300.82
  5. Step 5: Solve for x
    x = 12,520,114,300.82/125,792.02
  6. Step 6: Final answer
    x = 99,530.27

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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.